From 6f8486523f61bf0aa476dfa4197d1e3b71a0a8f3 Mon Sep 17 00:00:00 2001 From: Ian Lance Taylor Date: Wed, 16 Dec 2020 19:43:20 -0800 Subject: [PATCH] test: add new Go tests from source repo --- .../go.test/test/fixedbugs/gcc61204.go | 17 ++ .../go.test/test/fixedbugs/gcc61244.go | 19 ++ .../go.test/test/fixedbugs/gcc61246.go | 17 ++ .../go.test/test/fixedbugs/gcc61248.go | 14 ++ .../go.test/test/fixedbugs/gcc61253.go | 20 ++ .../go.test/test/fixedbugs/gcc61254.go | 13 ++ .../go.test/test/fixedbugs/gcc61255.go | 13 ++ .../go.test/test/fixedbugs/gcc61258.go | 13 ++ .../go.test/test/fixedbugs/gcc61264.go | 13 ++ .../go.test/test/fixedbugs/gcc61265.go | 16 ++ .../go.test/test/fixedbugs/gcc61273.go | 16 ++ .../go.test/test/fixedbugs/gcc65755.go | 37 ++++ .../go.test/test/fixedbugs/issue20029.go | 32 +++ .../go.test/test/fixedbugs/issue20097.go | 18 ++ .../go.test/test/fixedbugs/issue20145.go | 14 ++ .../go.test/test/fixedbugs/issue20185.go | 25 +++ .../go.test/test/fixedbugs/issue20227.go | 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--- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/gcc61204.go @@ -0,0 +1,17 @@ +// compile + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// PR61204: Making temporaries for zero-sized types caused an ICE in gccgo. +// This is a reduction of a program reported by GoSmith. + +package main + +func main() { + type t [0]int + var v t + v, _ = [0]int{}, 0 + _ = v +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/gcc61244.go b/gcc/testsuite/go.test/test/fixedbugs/gcc61244.go new file mode 100644 index 00000000000..642bc610bbf --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/gcc61244.go @@ -0,0 +1,19 @@ +// compile + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// PR61244: Type descriptors expressions were not traversed, causing an ICE +// in gccgo when producing the backend representation. +// This is a reduction of a program reported by GoSmith. + +package main + +const a = 0 + +func main() { + switch i := (interface{})(a); i.(type) { + case [0]string: + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/gcc61246.go b/gcc/testsuite/go.test/test/fixedbugs/gcc61246.go new file mode 100644 index 00000000000..797d6c7ffca --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/gcc61246.go @@ -0,0 +1,17 @@ +// compile + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// PR61246: Switch conditions could be untyped, causing an ICE when the +// conditions were lowered into temporaries. +// This is a reduction of a program reported by GoSmith. + +package main + +func main() { + switch 1 != 1 { + default: + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/gcc61248.go b/gcc/testsuite/go.test/test/fixedbugs/gcc61248.go new file mode 100644 index 00000000000..cb59c9fa7c8 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/gcc61248.go @@ -0,0 +1,14 @@ +// compile + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// PR61248: Transformations to recover calls made them fail typechecking in gccgo. + +package main + +func main() { + var f func(int, interface{}) + go f(0, recover()) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/gcc61253.go b/gcc/testsuite/go.test/test/fixedbugs/gcc61253.go new file mode 100644 index 00000000000..696b26e64d3 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/gcc61253.go @@ -0,0 +1,20 @@ +// compile + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// PR61253: gccgo incorrectly parsed the +// `RecvStmt = ExpressionList "=" RecvExpr` production. + +package main + +func main() { + c := make(chan int) + v := new(int) + b := new(bool) + select { + case (*v), (*b) = <-c: + } + +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/gcc61254.go b/gcc/testsuite/go.test/test/fixedbugs/gcc61254.go new file mode 100644 index 00000000000..82e666e5c29 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/gcc61254.go @@ -0,0 +1,13 @@ +// compile + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// PR61254: gccgo failed to compile a slice expression with missing indices. + +package main + +func main() { + [][]int{}[:][0][0]++ +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/gcc61255.go b/gcc/testsuite/go.test/test/fixedbugs/gcc61255.go new file mode 100644 index 00000000000..288fb54e517 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/gcc61255.go @@ -0,0 +1,13 @@ +// compile + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// PR61255: gccgo failed to compile IncDec statements on variadic functions. + +package main + +func main() { + append([]byte{}, 0)[0]++ +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/gcc61258.go b/gcc/testsuite/go.test/test/fixedbugs/gcc61258.go new file mode 100644 index 00000000000..e4dcb3376ab --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/gcc61258.go @@ -0,0 +1,13 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// PR61258: gccgo crashed when deleting a zero-sized key from a map. + +package main + +func main() { + delete(make(map[[0]bool]int), [0]bool{}) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/gcc61264.go b/gcc/testsuite/go.test/test/fixedbugs/gcc61264.go new file mode 100644 index 00000000000..a4092f5bec3 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/gcc61264.go @@ -0,0 +1,13 @@ +// compile + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// PR61264: IncDec statements involving composite literals caused in ICE in gccgo. + +package main + +func main() { + map[int]int{}[0]++ +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/gcc61265.go b/gcc/testsuite/go.test/test/fixedbugs/gcc61265.go new file mode 100644 index 00000000000..be792332f58 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/gcc61265.go @@ -0,0 +1,16 @@ +// compile + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// PR61265: The gccgo middle-end failed to represent array composite literals +// where the elements are zero-sized values. +// This is a reduction of a program reported by GoSmith. + +package p + +var a = [1][0]int{B}[0] +var B = [0]int{} +var c = [1]struct{}{D}[0] +var D = struct{}{} diff --git a/gcc/testsuite/go.test/test/fixedbugs/gcc61273.go b/gcc/testsuite/go.test/test/fixedbugs/gcc61273.go new file mode 100644 index 00000000000..ed78b1ed2cd --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/gcc61273.go @@ -0,0 +1,16 @@ +// compile + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// PR61273: gccgo failed to compile a SendStmt in the PostStmt of a ForClause +// that involved predefined constants. + +package main + +func main() { + c := make(chan bool, 1) + for ; false; c <- false { + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/gcc65755.go b/gcc/testsuite/go.test/test/fixedbugs/gcc65755.go new file mode 100644 index 00000000000..1e5d11605f0 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/gcc65755.go @@ -0,0 +1,37 @@ +// run + +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// PR65755: Incorrect type descriptor for type defined within method. + +package main + +import "reflect" + +type S1 struct{} + +func (S1) Fix() string { + type s struct { + f int + } + return reflect.TypeOf(s{}).Field(0).Name +} + +type S2 struct{} + +func (S2) Fix() string { + type s struct { + g bool + } + return reflect.TypeOf(s{}).Field(0).Name +} + +func main() { + f1 := S1{}.Fix() + f2 := S2{}.Fix() + if f1 != "f" || f2 != "g" { + panic(f1 + f2) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue20029.go b/gcc/testsuite/go.test/test/fixedbugs/issue20029.go new file mode 100644 index 00000000000..db3f8aa5ddd --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue20029.go @@ -0,0 +1,32 @@ +// run + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 20029: make sure we zero at VARKILLs of +// ambiguously live variables. +// The ambiguously live variable here is the hiter +// for the inner range loop. + +package main + +import "runtime" + +func f(m map[int]int) { +outer: + for i := 0; i < 10; i++ { + for k := range m { + if k == 5 { + continue outer + } + } + runtime.GC() + break + } + runtime.GC() +} +func main() { + m := map[int]int{1: 2, 2: 3, 3: 4} + f(m) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue20097.go b/gcc/testsuite/go.test/test/fixedbugs/issue20097.go new file mode 100644 index 00000000000..236a1bd40a7 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue20097.go @@ -0,0 +1,18 @@ +// compile + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 20097: ensure that we CSE multiple Select ops with +// the same underlying type + +package main + +type T int64 + +func f(x, y int64) (int64, T) { + a := x / y + b := T(x) / T(y) + return a, b +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue20145.go b/gcc/testsuite/go.test/test/fixedbugs/issue20145.go new file mode 100644 index 00000000000..67ba5aee9a8 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue20145.go @@ -0,0 +1,14 @@ +// compile + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 20145: some func types weren't dowidth-ed by the front end, +// leading to races in the backend. + +package p + +func f() { + _ = (func())(nil) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue20185.go b/gcc/testsuite/go.test/test/fixedbugs/issue20185.go new file mode 100644 index 00000000000..9065868d7f2 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue20185.go @@ -0,0 +1,25 @@ +// errorcheck + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 20185: type switching on untyped values (e.g. nil or consts) +// caused an internal compiler error. + +package p + +func F() { + switch t := nil.(type) { // ERROR "cannot type switch on non-interface value" + default: + _ = t + } +} + +const x = 1 + +func G() { + switch t := x.(type) { // ERROR "cannot type switch on non-interface value|declared but not used" + default: + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue20227.go b/gcc/testsuite/go.test/test/fixedbugs/issue20227.go new file mode 100644 index 00000000000..f59923106dd --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue20227.go @@ -0,0 +1,16 @@ +// errorcheck + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 20227: panic while constructing constant "1i/1e-600000000" + +package p + +var _ = 1 / 1e-600000000i // ERROR "division by zero" +var _ = 1i / 1e-600000000 // ERROR "division by zero" +var _ = 1i / 1e-600000000i // ERROR "division by zero" + +var _ = 1 / (1e-600000000 + 1e-600000000i) // ERROR "division by zero" +var _ = 1i / (1e-600000000 + 1e-600000000i) // ERROR "division by zero" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue20333.go b/gcc/testsuite/go.test/test/fixedbugs/issue20333.go new file mode 100644 index 00000000000..8202ab3e221 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue20333.go @@ -0,0 +1,15 @@ +// compile + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 20333: early checkwidth of [...] arrays led to compilation errors. + +package main + +import "fmt" + +func main() { + fmt.Println(&[...]string{"abc", "def", "ghi"}) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue20335.go b/gcc/testsuite/go.test/test/fixedbugs/issue20335.go new file mode 100644 index 00000000000..185c2f06ea7 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue20335.go @@ -0,0 +1,19 @@ +// compile + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 20335: don't reorder loads with stores. +// This test should fail on the ssacheck builder +// without the fix in the CL that added this file. +// TODO: check the generated assembly? + +package a + +import "sync/atomic" + +func f(p, q *int32) bool { + x := *q + return atomic.AddInt32(p, 1) == x +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue20415.go b/gcc/testsuite/go.test/test/fixedbugs/issue20415.go new file mode 100644 index 00000000000..9e7649fc958 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue20415.go @@ -0,0 +1,33 @@ +// errorcheck + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Make sure redeclaration errors report correct position. + +package p + +// 1 +var f byte + +var f interface{} // ERROR "previous declaration at issue20415.go:12|redefinition" + +func _(f int) { +} + +// 2 +var g byte + +func _(g int) { +} + +var g interface{} // ERROR "previous declaration at issue20415.go:20|redefinition" + +// 3 +func _(h int) { +} + +var h byte + +var h interface{} // ERROR "previous declaration at issue20415.go:31|redefinition" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue20529.go b/gcc/testsuite/go.test/test/fixedbugs/issue20529.go new file mode 100644 index 00000000000..eeaaf37358f --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue20529.go @@ -0,0 +1,21 @@ +// errorcheck + +// +build amd64 + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 20529: Large stack frames caused compiler panics. +// Only tested on amd64 because the test only makes sense +// on a 64 bit system, and it is platform-agnostic, +// so testing one suffices. + +package p + +import "runtime" + +func f() { // GC_ERROR "stack frame too large" + x := [][]int{1e9: []int{}} + runtime.KeepAlive(x) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue20530.go b/gcc/testsuite/go.test/test/fixedbugs/issue20530.go new file mode 100644 index 00000000000..51f0bd8e39d --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue20530.go @@ -0,0 +1,34 @@ +// run + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +var a uint8 + +//go:noinline +func f() { + b := int8(func() int32 { return -1 }()) + a = uint8(b) + if int32(a) != 255 { + // Failing case prints 'got 255 expected 255' + println("got", a, "expected 255") + } +} + +//go:noinline +func g() { + b := int8(func() uint32 { return 0xffffffff }()) + a = uint8(b) + if int32(a) != 255 { + // Failing case prints 'got 255 expected 255' + println("got", a, "expected 255") + } +} + +func main() { + f() + g() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue20602.go b/gcc/testsuite/go.test/test/fixedbugs/issue20602.go new file mode 100644 index 00000000000..d4d513b0509 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue20602.go @@ -0,0 +1,14 @@ +// errorcheck + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Verify that the correct (not implicitly dereferenced) +// type is reported in the error message. + +package p + +var p = &[1]complex128{0} +var _ = real(p) // ERROR "type \*\[1\]complex128|argument must have complex type" +var _ = imag(p) // ERROR "type \*\[1\]complex128|argument must have complex type" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue20682.dir/p.go b/gcc/testsuite/go.test/test/fixedbugs/issue20682.dir/p.go new file mode 100644 index 00000000000..fc37136d906 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue20682.dir/p.go @@ -0,0 +1,13 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +import "strings" + +type T struct{} + +func (T) M() { + strings.HasPrefix("", "") +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue20682.dir/q.go b/gcc/testsuite/go.test/test/fixedbugs/issue20682.dir/q.go new file mode 100644 index 00000000000..9554569de0d --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue20682.dir/q.go @@ -0,0 +1,13 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package q + +import "./p" + +type T struct{} + +func (T) M() interface{} { + return &p.T{} +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue20682.dir/r.go b/gcc/testsuite/go.test/test/fixedbugs/issue20682.dir/r.go new file mode 100644 index 00000000000..73dfe1b3af2 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue20682.dir/r.go @@ -0,0 +1,11 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package r + +import "./q" + +type T struct { + q.T +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue20682.go b/gcc/testsuite/go.test/test/fixedbugs/issue20682.go new file mode 100644 index 00000000000..8000a5224ff --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue20682.go @@ -0,0 +1,7 @@ +// compiledir + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue20739.go b/gcc/testsuite/go.test/test/fixedbugs/issue20739.go new file mode 100644 index 00000000000..b71a25dc424 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue20739.go @@ -0,0 +1,16 @@ +// compile + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +func F() { + var x struct { + x *int + w [1e9][1e9][1e9][0]*int + y *int + } + println(&x) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue20749.go b/gcc/testsuite/go.test/test/fixedbugs/issue20749.go new file mode 100644 index 00000000000..de2d3ad16a8 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue20749.go @@ -0,0 +1,15 @@ +// errorcheck + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +// Verify that the compiler complains even if the array +// has length 0. +var a [0]int +var _ = a[2:] // ERROR "invalid slice index 2|array index out of bounds" + +var b [1]int +var _ = b[2:] // ERROR "invalid slice index 2|array index out of bounds" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue20780.go b/gcc/testsuite/go.test/test/fixedbugs/issue20780.go new file mode 100644 index 00000000000..53c4f615e17 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue20780.go @@ -0,0 +1,19 @@ +// errorcheck + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// We have a limit of 1GB for stack frames. +// Make sure we include the callee args section. + +package main + +func f() { // GC_ERROR "stack frame too large" + var x [800e6]byte + g(x) + return +} + +//go:noinline +func g([800e6]byte) {} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue20811.go b/gcc/testsuite/go.test/test/fixedbugs/issue20811.go new file mode 100644 index 00000000000..96b61ec7289 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue20811.go @@ -0,0 +1,23 @@ +// run + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 20811: slice-in-bound check is lowered incorrectly on +// amd64p32. + +package main + +func main() { + i := g() + _ = "x"[int32(i)] + j := g() + _ = "x"[:int32(j)] +} + +//go:noinline +func g() int64 { + return 4398046511104 +} + diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue20812.go b/gcc/testsuite/go.test/test/fixedbugs/issue20812.go new file mode 100644 index 00000000000..d0df831dfdd --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue20812.go @@ -0,0 +1,15 @@ +// errorcheck + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +func f() { + _ = int("1") // ERROR "cannot convert|invalid type conversion" + _ = bool(0) // ERROR "cannot convert|invalid type conversion" + _ = bool("false") // ERROR "cannot convert|invalid type conversion" + _ = int(false) // ERROR "cannot convert|invalid type conversion" + _ = string(true) // ERROR "cannot convert|invalid type conversion" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue20813.go b/gcc/testsuite/go.test/test/fixedbugs/issue20813.go new file mode 100644 index 00000000000..b147a8903ce --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue20813.go @@ -0,0 +1,11 @@ +// errorcheck + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +func f() { + 1 = 2 // ERROR "cannot assign to 1|invalid left hand side" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue21048.go b/gcc/testsuite/go.test/test/fixedbugs/issue21048.go new file mode 100644 index 00000000000..e365a5e14fc --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue21048.go @@ -0,0 +1,72 @@ +// run + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 21048: s390x merged address generation into stores +// to unaligned global variables. This resulted in an illegal +// instruction. + +package main + +type T struct { + _ [1]byte + a [2]byte // offset: 1 + _ [3]byte + b [2]uint16 // offset: 6 + _ [2]byte + c [2]uint32 // offset: 12 + _ [2]byte + d [2]int16 // offset: 22 + _ [2]byte + e [2]int32 // offset: 28 +} + +var Source, Sink T + +func newT() T { + return T{ + a: [2]byte{1, 2}, + b: [2]uint16{1, 2}, + c: [2]uint32{1, 2}, + d: [2]int16{1, 2}, + e: [2]int32{1, 2}, + } +} + +//go:noinline +func moves() { + Sink.a = Source.a + Sink.b = Source.b + Sink.c = Source.c + Sink.d = Source.d + Sink.e = Source.e +} + +//go:noinline +func loads() *T { + t := newT() + t.a = Source.a + t.b = Source.b + t.c = Source.c + t.d = Source.d + t.e = Source.e + return &t +} + +//go:noinline +func stores() { + t := newT() + Sink.a = t.a + Sink.b = t.b + Sink.c = t.c + Sink.d = t.d + Sink.e = t.e +} + +func main() { + moves() + loads() + stores() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue21120.dir/a.go b/gcc/testsuite/go.test/test/fixedbugs/issue21120.dir/a.go new file mode 100644 index 00000000000..f2ee2526717 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue21120.dir/a.go @@ -0,0 +1,13 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package a + +type S struct { + x int +} + +func V() interface{} { + return S{0} +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue21120.dir/b.go b/gcc/testsuite/go.test/test/fixedbugs/issue21120.dir/b.go new file mode 100644 index 00000000000..b00bd53a5d5 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue21120.dir/b.go @@ -0,0 +1,29 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package b + +import "reflect" + +type X int + +func F1() string { + type x X + + s := struct { + *x + }{nil} + v := reflect.TypeOf(s) + return v.Field(0).PkgPath +} + +func F2() string { + type y X + + s := struct { + *y + }{nil} + v := reflect.TypeOf(s) + return v.Field(0).PkgPath +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue21120.dir/main.go b/gcc/testsuite/go.test/test/fixedbugs/issue21120.dir/main.go new file mode 100644 index 00000000000..1f1ec30e567 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue21120.dir/main.go @@ -0,0 +1,25 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "fmt" + "os" + + "./a" + "./b" +) + +func main() { + // Make sure the reflect information for a.S is in the executable. + _ = a.V() + + b1 := b.F1() + b2 := b.F2() + if b1 != b2 { + fmt.Printf("%q (from b.F1()) != %q (from b.F2())\n", b1, b2) + os.Exit(1) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue21120.go b/gcc/testsuite/go.test/test/fixedbugs/issue21120.go new file mode 100644 index 00000000000..ea896ce8e1a --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue21120.go @@ -0,0 +1,11 @@ +// rundir + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// The compiler was using an incomplete symbol name for reflect name data, +// permitting an invalid merge in the linker, producing an incorrect +// exported flag bit. + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue21221.go b/gcc/testsuite/go.test/test/fixedbugs/issue21221.go new file mode 100644 index 00000000000..bd5a4b550ea --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue21221.go @@ -0,0 +1,18 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import "unsafe" + +func main() { + if unsafe.Pointer(uintptr(0)) != unsafe.Pointer(nil) { + panic("fail") + } + if (*int)(unsafe.Pointer(uintptr(0))) != (*int)(nil) { + panic("fail") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue21256.go b/gcc/testsuite/go.test/test/fixedbugs/issue21256.go new file mode 100644 index 00000000000..c845ec52b38 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue21256.go @@ -0,0 +1,9 @@ +// errorcheck + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +var main = func() {} // ERROR "must be func|redefinition" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue21273.go b/gcc/testsuite/go.test/test/fixedbugs/issue21273.go new file mode 100644 index 00000000000..77a1abad9bb --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue21273.go @@ -0,0 +1,28 @@ +// errorcheck + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +type T0 T0 // ERROR "invalid recursive type" +type _ map[T0]int + +type T1 struct{ T1 } // ERROR "invalid recursive type" +type _ map[T1]int + +func f() { + type T2 T2 // ERROR "invalid recursive type" + type _ map[T2]int +} + +func g() { + type T3 struct{ T3 } // ERROR "invalid recursive type" + type _ map[T3]int +} + +func h() { + type T4 struct{ m map[T4]int } // ERROR "invalid map key" + type _ map[T4]int // GC_ERROR "invalid map key" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue21317.go b/gcc/testsuite/go.test/test/fixedbugs/issue21317.go new file mode 100644 index 00000000000..f4ec4223713 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue21317.go @@ -0,0 +1,60 @@ +// run + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// As of "Mon 6 Nov 2017", run.go doesn't yet have proper +// column matching so instead match the output manually +// by exec-ing + +package main + +import ( + "fmt" + "io/ioutil" + "log" + "os" + "os/exec" + "runtime" + "strings" +) + +func main() { + if runtime.Compiler != "gc" || runtime.GOOS == "js" { + return + } + + f, err := ioutil.TempFile("", "issue21317.go") + if err != nil { + log.Fatal(err) + } + fmt.Fprintf(f, ` +package main + +import "fmt" + +func main() { + n, err := fmt.Println(1) +} +`) + f.Close() + defer os.RemoveAll(f.Name()) + + // compile and test output + cmd := exec.Command("go", "tool", "compile", f.Name()) + out, err := cmd.CombinedOutput() + if err == nil { + log.Fatalf("expected cmd/compile to fail") + } + wantErrs := []string{ + "7:9: n declared but not used", + "7:12: err declared but not used", + } + outStr := string(out) + for _, want := range wantErrs { + if !strings.Contains(outStr, want) { + log.Fatalf("failed to match %q\noutput: %q", want, outStr) + } + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue21576.go b/gcc/testsuite/go.test/test/fixedbugs/issue21576.go new file mode 100644 index 00000000000..ae6161ccf52 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue21576.go @@ -0,0 +1,63 @@ +// run + +// +build !nacl,!js + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. +// +// Ensure that deadlock detection can still +// run even with an import of "_ os/signal". + +package main + +import ( + "bytes" + "context" + "io/ioutil" + "log" + "os" + "os/exec" + "path/filepath" + "time" +) + +const prog = ` +package main + +import _ "os/signal" + +func main() { + c := make(chan int) + c <- 1 +} +` + +func main() { + dir, err := ioutil.TempDir("", "21576") + if err != nil { + log.Fatal(err) + } + defer os.RemoveAll(dir) + + file := filepath.Join(dir, "main.go") + if err := ioutil.WriteFile(file, []byte(prog), 0655); err != nil { + log.Fatalf("Write error %v", err) + } + + // Using a timeout of 1 minute in case other factors might slow + // down the start of "go run". See https://golang.org/issue/34836. + ctx, cancel := context.WithTimeout(context.Background(), time.Minute) + defer cancel() + + cmd := exec.CommandContext(ctx, "go", "run", file) + output, err := cmd.CombinedOutput() + if err == nil { + log.Fatalf("Passed, expected an error") + } + + want := []byte("fatal error: all goroutines are asleep - deadlock!") + if !bytes.Contains(output, want) { + log.Fatalf("Unmatched error message %q:\nin\n%s\nError: %v", want, output, err) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue21655.go b/gcc/testsuite/go.test/test/fixedbugs/issue21655.go new file mode 100644 index 00000000000..66d4e3a7f5a --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue21655.go @@ -0,0 +1,62 @@ +// compile + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Make sure assembly offsets don't get too large. + +// To trigger issue21655, the index offset needs to be small +// enough to fit into an int32 (to get rewritten to an ADDQconst) +// but large enough to overflow an int32 after multiplying by the stride. + +package main + +func f1(a []int64, i int64) int64 { + return a[i+1<<30] +} +func f2(a []int32, i int64) int32 { + return a[i+1<<30] +} +func f3(a []int16, i int64) int16 { + return a[i+1<<30] +} +func f4(a []int8, i int64) int8 { + return a[i+1<<31] +} +func f5(a []float64, i int64) float64 { + return a[i+1<<30] +} +func f6(a []float32, i int64) float32 { + return a[i+1<<30] +} + +// Note: Before the fix for issue 21655, f{1,2,5,6} made +// the compiler crash. f3 silently generated the wrong +// code, using an offset of -1<<31 instead of 1<<31. +// (This is due to the assembler accepting offsets +// like 0x80000000 and silently using them as +// signed 32 bit offsets.) +// f4 was ok, but testing it can't hurt. + +func f7(ss []*string, i int) string { + const offset = 3 << 29 // 3<<29 * 4 = 3<<31 = 1<<31 mod 1<<32. + if i > offset { + return *ss[i-offset] + } + return "" +} +func f8(ss []*string, i int) string { + const offset = 3<<29 + 10 + if i > offset { + return *ss[i-offset] + } + return "" +} +func f9(ss []*string, i int) string { + const offset = 3<<29 - 10 + if i > offset { + return *ss[i-offset] + } + return "" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue21770.go b/gcc/testsuite/go.test/test/fixedbugs/issue21770.go new file mode 100644 index 00000000000..2f07d640d98 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue21770.go @@ -0,0 +1,20 @@ +// errorcheck + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 21770: gccgo incorrectly accepts "p.f = 0" where p is **struct + +package p + +type PP **struct{ f int } + +func f() { + // anonymous type + var p **struct{ f int } + p.f = 0 // ERROR "field" + // named type + var p2 PP + p2.f = 0 // ERROR "field" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue21808.go b/gcc/testsuite/go.test/test/fixedbugs/issue21808.go new file mode 100644 index 00000000000..d146200eaee --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue21808.go @@ -0,0 +1,17 @@ +// run + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Make sure println() prints a blank line. + +package main + +import "fmt" + +func main() { + fmt.Println("A") + println() + fmt.Println("B") +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue21808.out b/gcc/testsuite/go.test/test/fixedbugs/issue21808.out new file mode 100644 index 00000000000..655da036b23 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue21808.out @@ -0,0 +1,3 @@ +A + +B diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue21879.go b/gcc/testsuite/go.test/test/fixedbugs/issue21879.go new file mode 100644 index 00000000000..1029ca044b6 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue21879.go @@ -0,0 +1,37 @@ +// run + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "runtime" +) + +func main() { + println(caller().frame.Function) + + // Used to erroneously print "main.call.name" instead of + // "main.main". + println(caller().name()) +} + +func caller() call { + var pcs [3]uintptr + n := runtime.Callers(1, pcs[:]) + frames := runtime.CallersFrames(pcs[:n]) + frame, _ := frames.Next() + frame, _ = frames.Next() + + return call{frame: frame} +} + +type call struct { + frame runtime.Frame +} + +func (c call) name() string { + return c.frame.Function +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue21879.out b/gcc/testsuite/go.test/test/fixedbugs/issue21879.out new file mode 100644 index 00000000000..066f1a83871 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue21879.out @@ -0,0 +1,2 @@ +main.main +main.main diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue21882.go b/gcc/testsuite/go.test/test/fixedbugs/issue21882.go new file mode 100644 index 00000000000..f77e046960b --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue21882.go @@ -0,0 +1,9 @@ +// errorcheck + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +type T [2]T // ERROR "invalid recursive type" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue21887.go b/gcc/testsuite/go.test/test/fixedbugs/issue21887.go new file mode 100644 index 00000000000..73c3f43596f --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue21887.go @@ -0,0 +1,25 @@ +// run + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 21887: println(^uint(0)) fails to compile + +package main + +import "strconv" + +func main() { + if strconv.IntSize == 32 { + println(^uint(0)) + } else { + println(^uint32(0)) + } + + if strconv.IntSize == 64 { + println(^uint(0)) + } else { + println(^uint64(0)) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue21887.out b/gcc/testsuite/go.test/test/fixedbugs/issue21887.out new file mode 100644 index 00000000000..664b67d7422 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue21887.out @@ -0,0 +1,2 @@ +4294967295 +18446744073709551615 diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue21963.go b/gcc/testsuite/go.test/test/fixedbugs/issue21963.go new file mode 100644 index 00000000000..996bd63d09d --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue21963.go @@ -0,0 +1,27 @@ +// run + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "fmt" + "runtime" +) + +//go:noinline +func f(x []int32, y *int8) int32 { + c := int32(int16(*y)) + runtime.GC() + return x[0] * c +} + +func main() { + var x = [1]int32{5} + var y int8 = -1 + if got, want := f(x[:], &y), int32(-5); got != want { + panic(fmt.Sprintf("wanted %d, got %d", want, got)) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue21979.go b/gcc/testsuite/go.test/test/fixedbugs/issue21979.go new file mode 100644 index 00000000000..addf786c037 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue21979.go @@ -0,0 +1,46 @@ +// errorcheck + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +func f() { + _ = bool("") // ERROR "cannot convert .. \(type untyped string\) to type bool|invalid type conversion" + _ = bool(1) // ERROR "cannot convert 1 \(type untyped int\) to type bool|invalid type conversion" + _ = bool(1.0) // ERROR "cannot convert 1 \(type untyped float\) to type bool|invalid type conversion" + _ = bool(-4 + 2i) // ERROR "cannot convert -4 \+ 2i \(type untyped complex\) to type bool|invalid type conversion" + + _ = string(true) // ERROR "cannot convert true \(type untyped bool\) to type string|invalid type conversion" + _ = string(-1) + _ = string(1.0) // ERROR "cannot convert 1 \(type untyped float\) to type string|invalid type conversion" + _ = string(-4 + 2i) // ERROR "cannot convert -4 \+ 2i \(type untyped complex\) to type string|invalid type conversion" + + _ = int("") // ERROR "cannot convert .. \(type untyped string\) to type int|invalid type conversion" + _ = int(true) // ERROR "cannot convert true \(type untyped bool\) to type int|invalid type conversion" + _ = int(-1) + _ = int(1) + _ = int(1.0) + _ = int(-4 + 2i) // ERROR "truncated to integer" + + _ = uint("") // ERROR "cannot convert .. \(type untyped string\) to type uint|invalid type conversion" + _ = uint(true) // ERROR "cannot convert true \(type untyped bool\) to type uint|invalid type conversion" + _ = uint(-1) // ERROR "constant -1 overflows uint|integer constant overflow" + _ = uint(1) + _ = uint(1.0) + _ = uint(-4 + 2i) // ERROR "constant -4 overflows uint" "truncated to integer" + + _ = float64("") // ERROR "cannot convert .. \(type untyped string\) to type float64|invalid type conversion" + _ = float64(true) // ERROR "cannot convert true \(type untyped bool\) to type float64|invalid type conversion" + _ = float64(-1) + _ = float64(1) + _ = float64(1.0) + _ = float64(-4 + 2i) // ERROR "truncated to" + + _ = complex128("") // ERROR "cannot convert .. \(type untyped string\) to type complex128|invalid type conversion" + _ = complex128(true) // ERROR "cannot convert true \(type untyped bool\) to type complex128|invalid type conversion" + _ = complex128(-1) + _ = complex128(1) + _ = complex128(1.0) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue21988.go b/gcc/testsuite/go.test/test/fixedbugs/issue21988.go new file mode 100644 index 00000000000..4dbf06ee315 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue21988.go @@ -0,0 +1,17 @@ +// errorcheck + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 21988: panic on switch case with invalid value + +package p + +const X = Wrong(0) // ERROR "undefined: Wrong|undefined name .*Wrong" + +func _() { + switch 0 { + case X: + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22063.go b/gcc/testsuite/go.test/test/fixedbugs/issue22063.go new file mode 100644 index 00000000000..8d84047e078 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22063.go @@ -0,0 +1,17 @@ +// errorcheck + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 22063: panic on interface switch case with invalid name + +package p + +const X = Wrong(0) // ERROR "undefined: Wrong|reference to undefined name .*Wrong" + +func _() { + switch interface{}(nil) { + case X: + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22076.go b/gcc/testsuite/go.test/test/fixedbugs/issue22076.go new file mode 100644 index 00000000000..5d628b96bd3 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22076.go @@ -0,0 +1,25 @@ +// compile + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 22076: Couldn't use ":=" to declare names that refer to +// dot-imported symbols. + +package p + +import . "bytes" + +var _ Reader // use "bytes" import + +func _() { + Buffer := 0 + _ = Buffer +} + +func _() { + for Buffer := range []int{} { + _ = Buffer + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22083.go b/gcc/testsuite/go.test/test/fixedbugs/issue22083.go new file mode 100644 index 00000000000..a385102d081 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22083.go @@ -0,0 +1,41 @@ +// run + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// The compiler was panicking on the wrong line number, where +// the panic was occurring in an inlined call. + +package main + +import ( + "runtime/debug" + "strings" +) + +type Wrapper struct { + a []int +} + +func (w Wrapper) Get(i int) int { + return w.a[i] +} + +func main() { + defer func() { + e := recover() + if e == nil { + panic("bounds check didn't fail") + } + stk := string(debug.Stack()) + if !strings.Contains(stk, "issue22083.go:40") { + panic("wrong stack trace: " + stk) + } + }() + foo := Wrapper{a: []int{0, 1, 2}} + _ = foo.Get(0) + _ = foo.Get(1) + _ = foo.Get(2) + _ = foo.Get(3) // stack trace should mention this line +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22198.go b/gcc/testsuite/go.test/test/fixedbugs/issue22198.go new file mode 100644 index 00000000000..c874c1caa10 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22198.go @@ -0,0 +1,18 @@ +// compile + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package issue22198 + +func f(a *bool, b bool) { + if b { + return + } + c := '\n' + if b { + c = ' ' + } + *a = c == '\n' +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22200.go b/gcc/testsuite/go.test/test/fixedbugs/issue22200.go new file mode 100644 index 00000000000..37440d9bf0e --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22200.go @@ -0,0 +1,20 @@ +// errorcheck + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +func f1(x *[1<<30 - 1e6]byte) byte { + for _, b := range *x { + return b + } + return 0 +} +func f2(x *[1<<30 + 1e6]byte) byte { // GC_ERROR "stack frame too large" + for _, b := range *x { + return b + } + return 0 +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22200b.go b/gcc/testsuite/go.test/test/fixedbugs/issue22200b.go new file mode 100644 index 00000000000..ce20923334c --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22200b.go @@ -0,0 +1,28 @@ +// errorcheck + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build !386,!amd64p32,!arm,!mips,!mipsle + +package p + +func f3(x *[1 << 31]byte) byte { // GC_ERROR "stack frame too large" + for _, b := range *x { + return b + } + return 0 +} +func f4(x *[1 << 32]byte) byte { // GC_ERROR "stack frame too large" + for _, b := range *x { + return b + } + return 0 +} +func f5(x *[1 << 33]byte) byte { // GC_ERROR "stack frame too large" + for _, b := range *x { + return b + } + return 0 +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22326.go b/gcc/testsuite/go.test/test/fixedbugs/issue22326.go new file mode 100644 index 00000000000..a675655b235 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22326.go @@ -0,0 +1,25 @@ +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +var ( + _ = d + _ = f("_", c, b) + a = f("a") + b = f("b") + c = f("c") + d = f("d") +) + +func f(s string, rest ...int) int { + print(s) + return 0 +} + +func main() { + println() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22326.out b/gcc/testsuite/go.test/test/fixedbugs/issue22326.out new file mode 100644 index 00000000000..f02043893cb --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22326.out @@ -0,0 +1 @@ +abc_d diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22327.go b/gcc/testsuite/go.test/test/fixedbugs/issue22327.go new file mode 100644 index 00000000000..7b21d834029 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22327.go @@ -0,0 +1,18 @@ +// compile + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Using a multi-result function as an argument to +// append should compile successfully. Previously there +// was a missing *int -> interface{} conversion that caused +// the compiler to ICE. + +package p + +func f() ([]interface{}, *int) { + return nil, nil +} + +var _ = append(f()) diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22429.go b/gcc/testsuite/go.test/test/fixedbugs/issue22429.go new file mode 100644 index 00000000000..289b434a74c --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22429.go @@ -0,0 +1,18 @@ +// compile + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Make sure SSA->assembly pass can handle SP as an index register. + +package p + +type T struct { + a,b,c,d float32 +} + +func f(a *[8]T, i,j,k int) float32 { + b := *a + return b[i].a + b[j].b + b[k].c +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22458.go b/gcc/testsuite/go.test/test/fixedbugs/issue22458.go new file mode 100644 index 00000000000..5c899295771 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22458.go @@ -0,0 +1,26 @@ +// compile + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Make sure KeepAlive introduces a use of the spilled variable. + +package main + +import "runtime" + +type node struct { + next *node +} + +var x bool + +func main() { + var head *node + for x { + head = &node{head} + } + + runtime.KeepAlive(head) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22605.go b/gcc/testsuite/go.test/test/fixedbugs/issue22605.go new file mode 100644 index 00000000000..9e726f353cb --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22605.go @@ -0,0 +1,26 @@ +// run + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// We were picking up a special noalg type from typelinks. + +package main + +import "reflect" + +func f(m map[string]int) int { + return m["a"] +} + +func g(m map[[8]string]int) int { + t := reflect.ArrayOf(8, reflect.TypeOf("")) + a := reflect.New(t).Elem() + return m[a.Interface().([8]string)] +} + +func main() { + m := map[[8]string]int{} + g(m) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22660.go b/gcc/testsuite/go.test/test/fixedbugs/issue22660.go new file mode 100644 index 00000000000..44ba42ac968 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22660.go @@ -0,0 +1,50 @@ +// run + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "bytes" + "fmt" + "io/ioutil" + "log" + "os" + "os/exec" + "path/filepath" + "runtime" + "strings" +) + +func main() { + if runtime.GOOS == "js" { + return // no file system available on builders + } + + f, err := ioutil.TempFile("", "issue22660.go") + if err != nil { + log.Fatal(err) + } + f.Close() + defer os.Remove(f.Name()) + + // path must appear in error messages even if we strip them with -trimpath + path := filepath.Join("users", "xxx", "go") + var src bytes.Buffer + fmt.Fprintf(&src, "//line %s:1\n", filepath.Join(path, "foo.go")) + + if err := ioutil.WriteFile(f.Name(), src.Bytes(), 0660); err != nil { + log.Fatal(err) + } + + out, err := exec.Command("go", "tool", "compile", fmt.Sprintf("-trimpath=%s", path), f.Name()).CombinedOutput() + if err == nil { + log.Fatalf("expected compiling %s to fail", f.Name()) + } + + if !strings.HasPrefix(string(out), path) { + log.Fatalf("expected full path (%s) in error message, got:\n%s", path, out) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22683.go b/gcc/testsuite/go.test/test/fixedbugs/issue22683.go new file mode 100644 index 00000000000..47c7f6513d9 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22683.go @@ -0,0 +1,30 @@ +// run + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "fmt" +) + +type foo struct { + bar [1]*int +} + +func main() { + ch := make(chan foo, 2) + var a int + var b [1]*int + b[0] = &a + ch <- foo{bar: b} + close(ch) + + for v := range ch { + for i := 0; i < 1; i++ { + fmt.Println(v.bar[0] != nil) + } + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22683.out b/gcc/testsuite/go.test/test/fixedbugs/issue22683.out new file mode 100644 index 00000000000..27ba77ddaf6 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22683.out @@ -0,0 +1 @@ +true diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22781.go b/gcc/testsuite/go.test/test/fixedbugs/issue22781.go new file mode 100644 index 00000000000..5ad82398bbc --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22781.go @@ -0,0 +1,29 @@ +// run + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import "runtime/debug" + +type T struct { + // >= 16 bytes to avoid tiny alloc. + a, b int +} + +func main() { + debug.SetGCPercent(1) + for i := 0; i < 100000; i++ { + m := make(map[*T]struct{}, 0) + for j := 0; j < 20; j++ { + // During the call to mapassign_fast64, the key argument + // was incorrectly treated as a uint64. If the stack was + // scanned during that call, the only pointer to k was + // missed, leading to *k being collected prematurely. + k := new(T) + m[k] = struct{}{} + } + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22794.go b/gcc/testsuite/go.test/test/fixedbugs/issue22794.go new file mode 100644 index 00000000000..2ac31ef0c75 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22794.go @@ -0,0 +1,20 @@ +// errorcheck + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +type it struct { + Floats bool + inner string +} + +func main() { + i1 := it{Floats: true} + if i1.floats { // ERROR "(type it .* field or method floats, but does have Floats)|undefined field or method" + } + i2 := &it{floats: false} // ERROR "(but does have Floats)|unknown field|declared but not used" + _ = &it{InneR: "foo"} // ERROR "(but does have inner)|unknown field" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22822.go b/gcc/testsuite/go.test/test/fixedbugs/issue22822.go new file mode 100644 index 00000000000..ea53452f09b --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22822.go @@ -0,0 +1,16 @@ +// errorcheck + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check that calling a function shadowing a built-in provides a good +// error message. + +package main + +func F() { + slice := []int{1, 2, 3} + len := int(2) + println(len(slice)) // ERROR "cannot call non-function len .type int., declared at|expected function" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22881.go b/gcc/testsuite/go.test/test/fixedbugs/issue22881.go new file mode 100644 index 00000000000..645f2d4b87d --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22881.go @@ -0,0 +1,117 @@ +// run + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Test to make sure RHS is evaluated before map insert is started. +// The RHS panics in all of these cases. + +package main + +import "fmt" + +func main() { + for i, f := range []func(map[int]int){ + f0, f1, f2, f3, f4, f5, f6, f7, f8, + } { + m := map[int]int{} + func() { // wrapper to scope the defer. + defer func() { + recover() + }() + f(m) // Will panic. Shouldn't modify m. + fmt.Printf("RHS didn't panic, case f%d\n", i) + }() + if len(m) != 0 { + fmt.Printf("map insert happened, case f%d\n", i) + } + } + + // Append slice. + for i, f := range []func(map[int][]int){ + fa0, fa1, fa2, fa3, + } { + m := map[int][]int{} + func() { // wrapper to scope the defer. + defer func() { + recover() + }() + f(m) // Will panic. Shouldn't modify m. + fmt.Printf("RHS didn't panic, case fa%d\n", i) + }() + if len(m) != 0 { + fmt.Printf("map insert happened, case fa%d\n", i) + } + } +} + +func f0(m map[int]int) { + var p *int + m[0] = *p +} + +func f1(m map[int]int) { + var p *int + m[0] += *p +} + +func f2(m map[int]int) { + var p *int + sink, m[0] = sink, *p +} + +func f3(m map[int]int) { + var p *chan int + m[0], sink = <-(*p) +} + +func f4(m map[int]int) { + var p *interface{} + m[0], sink = (*p).(int) +} + +func f5(m map[int]int) { + var p *map[int]int + m[0], sink = (*p)[0] +} + +func f6(m map[int]int) { + var z int + m[0] /= z +} + +func f7(m map[int]int) { + var a []int + m[0] = a[0] +} + +func f8(m map[int]int) { + var z int + m[0] %= z +} + +func fa0(m map[int][]int) { + var p *int + m[0] = append(m[0], *p) +} + +func fa1(m map[int][]int) { + var p *int + sink, m[0] = !sink, append(m[0], *p) +} + +func fa2(m map[int][]int) { + var p *int + m[0], _ = append(m[0], 0), *p +} + +func fa3(m map[int][]int) { + // OSLICE has similar in-place-reassignment + // optimizations as OAPPEND, but we need to make sure + // to *not* optimize them, because we can't guarantee + // the slice indices are within bounds. + m[0] = m[0][:1] +} + +var sink bool diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22904.go b/gcc/testsuite/go.test/test/fixedbugs/issue22904.go new file mode 100644 index 00000000000..02459c6a4e8 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22904.go @@ -0,0 +1,19 @@ +// errorcheck + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 22904: Make sure the compiler emits a proper error message about +// invalid recursive types rather than crashing. + +package p + +type a struct{ b } // ERROR "invalid recursive type" +type b struct{ a } // GCCGO_ERROR "invalid recursive type" + +var x interface{} + +func f() { + x = a{} +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22921.go b/gcc/testsuite/go.test/test/fixedbugs/issue22921.go new file mode 100644 index 00000000000..5336ba34109 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22921.go @@ -0,0 +1,18 @@ +// errorcheck + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import "bytes" + +type _ struct{ bytes.nonexist } // ERROR "unexported|undefined" + +type _ interface{ bytes.nonexist } // ERROR "unexported|undefined|expected signature or type name" + +func main() { + var _ bytes.Buffer + var _ bytes.buffer // ERROR "unexported|undefined" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22941.dir/a.go b/gcc/testsuite/go.test/test/fixedbugs/issue22941.dir/a.go new file mode 100644 index 00000000000..7a4ede438fa --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22941.dir/a.go @@ -0,0 +1,7 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package q + +type P int diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22941.dir/b.go b/gcc/testsuite/go.test/test/fixedbugs/issue22941.dir/b.go new file mode 100644 index 00000000000..87d59a6764a --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22941.dir/b.go @@ -0,0 +1,30 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +import q "./a" + +type T struct { + X *q.P +} + +func F(in, out *T) { + *out = *in + if in.X != nil { + in, out := &in.X, &out.X + if *in == nil { + *out = nil + } else { + *out = new(q.P) + **out = **in + } + } + return +} + +//go:noinline +func G(x, y *T) { + F(x, y) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22941.dir/main.go b/gcc/testsuite/go.test/test/fixedbugs/issue22941.dir/main.go new file mode 100644 index 00000000000..84666adf0df --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22941.dir/main.go @@ -0,0 +1,15 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import p "./b" + +var G int + +func main() { + if G == 101 { + p.G(nil, nil) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22941.go b/gcc/testsuite/go.test/test/fixedbugs/issue22941.go new file mode 100644 index 00000000000..c3732c311b7 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22941.go @@ -0,0 +1,7 @@ +// rundir + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22962.dir/a.go b/gcc/testsuite/go.test/test/fixedbugs/issue22962.dir/a.go new file mode 100644 index 00000000000..7257d7dfabb --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22962.dir/a.go @@ -0,0 +1,11 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package a + +func F() { + if x := 0; false { + _ = x + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22962.dir/b.go b/gcc/testsuite/go.test/test/fixedbugs/issue22962.dir/b.go new file mode 100644 index 00000000000..e1568c8fe9b --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22962.dir/b.go @@ -0,0 +1,9 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package b + +import "a" + +var V = func() { a.F() } diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue22962.go b/gcc/testsuite/go.test/test/fixedbugs/issue22962.go new file mode 100644 index 00000000000..8000a5224ff --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue22962.go @@ -0,0 +1,7 @@ +// compiledir + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue23093.go b/gcc/testsuite/go.test/test/fixedbugs/issue23093.go new file mode 100644 index 00000000000..7b2865ca41d --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue23093.go @@ -0,0 +1,9 @@ +// errorcheck + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +var f = func() { f() } // ERROR "initialization loop|initialization expression for .*f.* depends upon itself" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue23116.go b/gcc/testsuite/go.test/test/fixedbugs/issue23116.go new file mode 100644 index 00000000000..b4b36d4ba97 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue23116.go @@ -0,0 +1,15 @@ +// errorcheck + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +func f(x interface{}) { + switch x.(type) { + } + + switch t := x.(type) { // ERROR "declared but not used" + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue23179.dir/a.go b/gcc/testsuite/go.test/test/fixedbugs/issue23179.dir/a.go new file mode 100644 index 00000000000..3d2816fc69d --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue23179.dir/a.go @@ -0,0 +1,13 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package a + +type Large struct { + x [256]int +} + +func F(x int, _ int, _ bool, _ Large) int { + return x +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue23179.dir/b.go b/gcc/testsuite/go.test/test/fixedbugs/issue23179.dir/b.go new file mode 100644 index 00000000000..bec3d15e1e1 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue23179.dir/b.go @@ -0,0 +1,11 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package b + +import "a" + +func G(x int) int { + return a.F(x, 1, false, a.Large{}) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue23179.go b/gcc/testsuite/go.test/test/fixedbugs/issue23179.go new file mode 100644 index 00000000000..8000a5224ff --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue23179.go @@ -0,0 +1,7 @@ +// compiledir + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue23298.go b/gcc/testsuite/go.test/test/fixedbugs/issue23298.go new file mode 100644 index 00000000000..be00a8ec67f --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue23298.go @@ -0,0 +1,14 @@ +// compile + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +type T string + +var ( + t = T("T") + r = []rune(t) +) diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue23305.go b/gcc/testsuite/go.test/test/fixedbugs/issue23305.go new file mode 100644 index 00000000000..28f400c5e81 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue23305.go @@ -0,0 +1,28 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func mask1(a, b uint64) uint64 { + op1 := int32(a) + op2 := int32(b) + return uint64(uint32(op1 / op2)) +} + +var mask2 = mask1 + +func main() { + res1 := mask1(0x1, 0xfffffffeffffffff) + res2 := mask2(0x1, 0xfffffffeffffffff) + if res1 != 0xffffffff { + println("got", res1, "want", 0xffffffff) + panic("FAIL") + } + if res2 != 0xffffffff { + println("got", res2, "want", 0xffffffff) + panic("FAIL") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue23311.dir/main.go b/gcc/testsuite/go.test/test/fixedbugs/issue23311.dir/main.go new file mode 100644 index 00000000000..fa4cf76b89a --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue23311.dir/main.go @@ -0,0 +1,14 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import _ "unsafe" // for linkname + +//go:linkname f runtime.GC +func f() + +func main() { + f() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue23311.go b/gcc/testsuite/go.test/test/fixedbugs/issue23311.go new file mode 100644 index 00000000000..128cf9d06ad --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue23311.go @@ -0,0 +1,7 @@ +// compiledir + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue23414.go b/gcc/testsuite/go.test/test/fixedbugs/issue23414.go new file mode 100644 index 00000000000..7ef3d831fd9 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue23414.go @@ -0,0 +1,13 @@ +// compile + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +var x struct{} + +func f() bool { + return x == x && x == x +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue23504.go b/gcc/testsuite/go.test/test/fixedbugs/issue23504.go new file mode 100644 index 00000000000..77f3184149b --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue23504.go @@ -0,0 +1,15 @@ +// compile + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +func f() { + var B bool + B2 := (B || B && !B) && !B + B3 := B2 || B + for (B3 || B2) && !B2 && B { + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue23521.go b/gcc/testsuite/go.test/test/fixedbugs/issue23521.go new file mode 100644 index 00000000000..159e03238c3 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue23521.go @@ -0,0 +1,43 @@ +// errorcheck -0 -m + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 23521: improve early DCE for if without explicit else. + +package p + +//go:noinline +func nonleaf() {} + +const truth = true + +func f() int { // ERROR "can inline f" + if truth { + return 0 + } + // If everything below is removed, as it should, + // function f should be inlineable. + nonleaf() + for { + panic("") + } +} + +func g() int { // ERROR "can inline g" + return f() // ERROR "inlining call to f" +} + +func f2() int { // ERROR "can inline f2" + if !truth { + nonleaf() + } else { + return 0 + } + panic("") +} + +func g2() int { // ERROR "can inline g2" + return f2() // ERROR "inlining call to f2" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue23522.go b/gcc/testsuite/go.test/test/fixedbugs/issue23522.go new file mode 100644 index 00000000000..cace86c8abb --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue23522.go @@ -0,0 +1,46 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "math" +) + +type S struct { + u int64 + n int32 +} + +func F1(f float64) *S { + s := f + pf := math.Copysign(f, 1) + u := math.Floor(pf) + return &S{ + u: int64(math.Copysign(u, s)), + n: int32(math.Copysign((pf-u)*1e9, s)), + } +} + +func F2(f float64) *S { + s := f + f = math.Copysign(f, 1) + u := math.Floor(f) + return &S{ + u: int64(math.Copysign(u, s)), + n: int32(math.Copysign((f-u)*1e9, s)), + } +} + +func main() { + s1 := F1(-1) + s2 := F2(-1) + if *s1 != *s2 { + println("F1:", s1.u, s1.n) + println("F2:", s2.u, s2.n) + panic("different") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue23545.go b/gcc/testsuite/go.test/test/fixedbugs/issue23545.go new file mode 100644 index 00000000000..d97f64af5a0 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue23545.go @@ -0,0 +1,31 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 23545: gccgo didn't lower array comparison to +// proper equality function in some case. + +package main + +func main() { + if a := Get(); a != dummyID(1234) { + panic("FAIL") + } +} + +func dummyID(x int) [Size]interface{} { + var out [Size]interface{} + out[0] = x + return out +} + +const Size = 32 + +type OutputID [Size]interface{} + +//go:noinline +func Get() OutputID { + return dummyID(1234) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue23546.go b/gcc/testsuite/go.test/test/fixedbugs/issue23546.go new file mode 100644 index 00000000000..818f0cd6bfa --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue23546.go @@ -0,0 +1,22 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 23546: type..eq function not generated when +// DWARF is disabled. + +package main + +func main() { + use(f() == f()) +} + +func f() [2]interface{} { + var out [2]interface{} + return out +} + +//go:noinline +func use(bool) {} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue23586.go b/gcc/testsuite/go.test/test/fixedbugs/issue23586.go new file mode 100644 index 00000000000..c2d4c9ffb59 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue23586.go @@ -0,0 +1,24 @@ +// errorcheck + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Test that we type-check deferred/go functions even +// if they are not called (a common error). Specifically, +// we don't want to see errors such as import or variable +// declared but not used. + +package p + +import ( + "fmt" + "math" +) + +func f() { + var i int + defer func() { fmt.Println() } // ERROR "must be function call" + go func() { _ = math.Sin(0) } // ERROR "must be function call" + go func() { _ = i} // ERROR "must be function call" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue23719.go b/gcc/testsuite/go.test/test/fixedbugs/issue23719.go new file mode 100644 index 00000000000..c97e63636c0 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue23719.go @@ -0,0 +1,42 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func main() { + v1 := [2]int32{-1, 88} + v2 := [2]int32{-1, 99} + if v1 == v2 { + panic("bad comparison") + } + + w1 := [2]int16{-1, 88} + w2 := [2]int16{-1, 99} + if w1 == w2 { + panic("bad comparison") + } + x1 := [4]int16{-1, 88, 88, 88} + x2 := [4]int16{-1, 99, 99, 99} + if x1 == x2 { + panic("bad comparison") + } + + a1 := [2]int8{-1, 88} + a2 := [2]int8{-1, 99} + if a1 == a2 { + panic("bad comparison") + } + b1 := [4]int8{-1, 88, 88, 88} + b2 := [4]int8{-1, 99, 99, 99} + if b1 == b2 { + panic("bad comparison") + } + c1 := [8]int8{-1, 88, 88, 88, 88, 88, 88, 88} + c2 := [8]int8{-1, 99, 99, 99, 99, 99, 99, 99} + if c1 == c2 { + panic("bad comparison") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue23732.go b/gcc/testsuite/go.test/test/fixedbugs/issue23732.go new file mode 100644 index 00000000000..db2d1822341 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue23732.go @@ -0,0 +1,42 @@ +// errorcheck + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 23732: Give better details about which struct +// initializer has the wrong number of values. + +package main + +type Foo struct { + A int + B int + C interface{} + Bar +} + +type Bar struct { + A string +} + +func main() { + _ = Foo{ // GCCGO_ERROR "too few expressions" + 1, + 2, + 3, // GC_ERROR "too few values in Foo{...}" + } + + _ = Foo{ + 1, + 2, + 3, + Bar{"A", "B"}, // ERROR "too many values in Bar{...}|too many expressions" + } + + _ = Foo{ // GCCGO_ERROR "too few expressions" + 1, + 2, + Bar{"A", "B"}, // ERROR "too many values in Bar{...}|too many expressions" "too few values in Foo{...}" + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue23734.go b/gcc/testsuite/go.test/test/fixedbugs/issue23734.go new file mode 100644 index 00000000000..dd5869b8f00 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue23734.go @@ -0,0 +1,32 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func main() { + m := map[interface{}]int{} + k := []int{} + + mustPanic(func() { + _ = m[k] + }) + mustPanic(func() { + _, _ = m[k] + }) + mustPanic(func() { + delete(m, k) + }) +} + +func mustPanic(f func()) { + defer func() { + r := recover() + if r == nil { + panic("didn't panic") + } + }() + f() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue23780.go b/gcc/testsuite/go.test/test/fixedbugs/issue23780.go new file mode 100644 index 00000000000..71fc2d9ed6f --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue23780.go @@ -0,0 +1,17 @@ +// compile + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +func f() { + _ = []byte{1 << 30: 1} +} + +func g() { + sink = []byte{1 << 30: 1} +} + +var sink []byte diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue23781.go b/gcc/testsuite/go.test/test/fixedbugs/issue23781.go new file mode 100644 index 00000000000..5c03cf7e4ef --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue23781.go @@ -0,0 +1,10 @@ +// +build amd64 +// compile + +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +var _ = []int{1 << 31: 1} // ok on machines with 64bit int diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue23812.go b/gcc/testsuite/go.test/test/fixedbugs/issue23812.go new file mode 100644 index 00000000000..0a40deb212e --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue23812.go @@ -0,0 +1,34 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import "fmt" + +func main() { + want := int32(0x3edae8) + got := foo(1) + if want != got { + panic(fmt.Sprintf("want %x, got %x", want, got)) + } +} + +func foo(a int32) int32 { + return shr1(int32(shr2(int64(0x14ff6e2207db5d1f), int(a))), 4) +} + +func shr1(n int32, m int) int32 { return n >> uint(m) } + +func shr2(n int64, m int) int64 { + if m < 0 { + m = -m + } + if m >= 64 { + return n + } + + return n >> uint(m) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue23823.go b/gcc/testsuite/go.test/test/fixedbugs/issue23823.go new file mode 100644 index 00000000000..067a8f1638c --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue23823.go @@ -0,0 +1,16 @@ +// errorcheck + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +type I1 = interface { + I2 +} + +// BAD: type loop should mention I1; see also #41669 +type I2 interface { // GC_ERROR "invalid recursive type I2\n\tLINE: I2 refers to\n\tLINE: I2$" + I1 // GCCGO_ERROR "invalid recursive interface" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue24120.go b/gcc/testsuite/go.test/test/fixedbugs/issue24120.go new file mode 100644 index 00000000000..6c7d871b768 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue24120.go @@ -0,0 +1,14 @@ +// compile + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +var F func(int) + +func G() { + if F(func() int { return 1 }()); false { + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue24173.go b/gcc/testsuite/go.test/test/fixedbugs/issue24173.go new file mode 100644 index 00000000000..4c19e05ef0a --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue24173.go @@ -0,0 +1,19 @@ +// compile + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +type arrayAlias = [10]int +type mapAlias = map[int]int +type sliceAlias = []int +type structAlias = struct{} + +func Exported() { + _ = arrayAlias{} + _ = mapAlias{} + _ = sliceAlias{} + _ = structAlias{} +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue24187.go b/gcc/testsuite/go.test/test/fixedbugs/issue24187.go new file mode 100644 index 00000000000..45fc9297107 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue24187.go @@ -0,0 +1,33 @@ +// +build amd64p32 +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "bytes" + "fmt" + "unsafe" +) + +func main() { + b := make([]byte, 128) + for i := range b { + b[i] = 1 + } + if bytes.IndexByte(b, 0) != -1 { + panic("found 0") + } + for i := range b { + b[i] = 0 + c := b + *(*int)(unsafe.Pointer(uintptr(unsafe.Pointer(&c)) + unsafe.Sizeof(uintptr(0)))) = 1<<31 - 1 + if bytes.IndexByte(c, 0) != i { + panic(fmt.Sprintf("missing 0 at %d\n", i)) + } + b[i] = 1 + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue24419.go b/gcc/testsuite/go.test/test/fixedbugs/issue24419.go new file mode 100644 index 00000000000..73b7783e077 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue24419.go @@ -0,0 +1,51 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "bytes" + "strings" +) + +func growstack(n int) { + if n > 0 { + growstack(n - 1) + } +} + +func main() { + c := make(chan struct{}) + go compare(c) + go equal(c) + go indexByte(c) + go indexByteString(c) + <-c + <-c + <-c + <-c +} + +func compare(c chan struct{}) { + defer bytes.Compare(nil, nil) + growstack(10000) + c <- struct{}{} +} +func equal(c chan struct{}) { + defer bytes.Equal(nil, nil) + growstack(10000) + c <- struct{}{} +} +func indexByte(c chan struct{}) { + defer bytes.IndexByte(nil, 0) + growstack(10000) + c <- struct{}{} +} +func indexByteString(c chan struct{}) { + defer strings.IndexByte("", 0) + growstack(10000) + c <- struct{}{} +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue24449.go b/gcc/testsuite/go.test/test/fixedbugs/issue24449.go new file mode 100644 index 00000000000..b2366451039 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue24449.go @@ -0,0 +1,62 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "sync/atomic" +) + +var cnt32 int32 + +//go:noinline +func test32(a, b []int) bool { + // Try to generate flag value, issue atomic + // adds and then re-use the flag value to see if + // the atomic add has clobbered them. + atomic.AddInt32(&cnt32, 1) + if len(a) == len(b) { + atomic.AddInt32(&cnt32, 2) + } + atomic.AddInt32(&cnt32, 4) + if len(a) >= len(b) { + atomic.AddInt32(&cnt32, 8) + } + if len(a) <= len(b) { + atomic.AddInt32(&cnt32, 16) + } + return atomic.LoadInt32(&cnt32) == 31 +} + +var cnt64 int64 + +//go:noinline +func test64(a, b []int) bool { + // Try to generate flag value, issue atomic + // adds and then re-use the flag value to see if + // the atomic add has clobbered them. + atomic.AddInt64(&cnt64, 1) + if len(a) == len(b) { + atomic.AddInt64(&cnt64, 2) + } + atomic.AddInt64(&cnt64, 4) + if len(a) >= len(b) { + atomic.AddInt64(&cnt64, 8) + } + if len(a) <= len(b) { + atomic.AddInt64(&cnt64, 16) + } + return atomic.LoadInt64(&cnt64) == 31 +} + +func main() { + if !test32([]int{}, []int{}) { + panic("test32") + } + if !test64([]int{}, []int{}) { + panic("test64") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue24470.go b/gcc/testsuite/go.test/test/fixedbugs/issue24470.go new file mode 100644 index 00000000000..d0e5e23fa90 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue24470.go @@ -0,0 +1,15 @@ +// errorcheck + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Verify that we get "use of .(type) outside type switch" +// before any other (misleading) errors. Test case from issue. + +package p + +func f(i interface{}) { + if x, ok := i.(type); ok { // ERROR "outside type switch" + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue24488.go b/gcc/testsuite/go.test/test/fixedbugs/issue24488.go new file mode 100644 index 00000000000..b3deab48228 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue24488.go @@ -0,0 +1,38 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "runtime" + "strings" +) + +type Func func() + +func (f Func) Foo() { + if f != nil { + f() + } +} + +func (f Func) Bar() { + if f != nil { + f() + } + buf := make([]byte, 4000) + n := runtime.Stack(buf, true) + s := string(buf[:n]) + if strings.Contains(s, "-fm") { + panic("wrapper present in stack trace:\n" + s) + } +} + +func main() { + foo := Func(func() {}) + foo = foo.Bar + foo.Foo() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue24503.go b/gcc/testsuite/go.test/test/fixedbugs/issue24503.go new file mode 100644 index 00000000000..933ce70dbdc --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue24503.go @@ -0,0 +1,28 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 24503: Handle == and != of addresses taken of symbols consistently. + +package main + +func test() string { + type test struct{} + o1 := test{} + o2 := test{} + if &o1 == &o2 { + return "equal" + } + if &o1 != &o2 { + return "unequal" + } + return "failed" +} + +func main() { + if test() == "failed" { + panic("expected either 'equal' or 'unequal'") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue24547.go b/gcc/testsuite/go.test/test/fixedbugs/issue24547.go new file mode 100644 index 00000000000..47d94a9f9fb --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue24547.go @@ -0,0 +1,46 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// When computing method sets with shadowed methods, make sure we +// compute whether a method promotion involved a pointer traversal +// based on the promoted method, not the shadowed method. + +package main + +import ( + "bytes" + "fmt" +) + +type mystruct struct { + f int +} + +func (t mystruct) String() string { + return "FAIL" +} + +func main() { + type deep struct { + mystruct + } + s := struct { + deep + *bytes.Buffer + }{ + deep{}, + bytes.NewBufferString("ok"), + } + + if got := s.String(); got != "ok" { + panic(got) + } + + var i fmt.Stringer = s + if got := i.String(); got != "ok" { + panic(got) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue24760.go b/gcc/testsuite/go.test/test/fixedbugs/issue24760.go new file mode 100644 index 00000000000..cd6f124517a --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue24760.go @@ -0,0 +1,12 @@ +// compile + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +import "unsafe" + +var _ = string([]byte(nil))[0] +var _ = uintptr(unsafe.Pointer(uintptr(1))) << 100 diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue24763.go b/gcc/testsuite/go.test/test/fixedbugs/issue24763.go new file mode 100644 index 00000000000..623ab489e8e --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue24763.go @@ -0,0 +1,21 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func main() { + var s uint + var x = interface{}(1< s, `"" > s`) + want(true, s > "", `s > ""`) + want(false, "" > e, `"" > e`) + want(false, e > "", `e > ""`) + + want(false, "" >= s, `"" >= s`) + want(true, s >= "", `s >= ""`) + want(true, "" >= e, `"" >= e`) + want(true, e >= "", `e >= ""`) + + want(false, "" == s, `"" == s`) + want(false, s == "", `s == ""`) + want(true, "" == e, `"" == e`) + want(true, e == "", `e == ""`) + + want(true, "" != s, `"" != s`) + want(true, s != "", `s != ""`) + want(false, "" != e, `"" != e`) + want(false, e != "", `e != ""`) + + if failed { + os.Exit(1) + } +} + +//go:noinline +func want(b bool, have bool, msg string) { + if b != have { + fmt.Println(msg) + failed = true + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue24937.go b/gcc/testsuite/go.test/test/fixedbugs/issue24937.go new file mode 100644 index 00000000000..7d8460f61ec --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue24937.go @@ -0,0 +1,15 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func main() { + x := []byte{'a'} + switch string(x) { + case func() string { x[0] = 'b'; return "b" }(): + panic("FAIL") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue24939.go b/gcc/testsuite/go.test/test/fixedbugs/issue24939.go new file mode 100644 index 00000000000..0ae6f2b9f26 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue24939.go @@ -0,0 +1,23 @@ +// compile + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +type T interface { + M(P) +} + +type M interface { + F() P +} + +type P = interface { + // The compiler cannot handle this case. Disabled for now. + // See issue #25838. + // I() M +} + +func main() {} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue25006.go b/gcc/testsuite/go.test/test/fixedbugs/issue25006.go new file mode 100644 index 00000000000..570fdca5c2d --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue25006.go @@ -0,0 +1,30 @@ +// compile + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +func spin() { + var i int + var b bool + + switch 1 { + case 0: + i = 1 + } + switch 1 { + case i: + default: + i = 1 + b = !b && (b && !b) && b + } + switch false { + case false: + i = 3 + -i + switch 0 { + case 1 - i: + } + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue25101.go b/gcc/testsuite/go.test/test/fixedbugs/issue25101.go new file mode 100644 index 00000000000..4fd6bed92b3 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue25101.go @@ -0,0 +1,16 @@ +// compile + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Indexed export format must not crash when writing +// the anonymous parameter for m. + +package p + +var x interface { + m(int) +} + +var M = x.m diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue25322.go b/gcc/testsuite/go.test/test/fixedbugs/issue25322.go new file mode 100644 index 00000000000..ee4ff53e2ee --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue25322.go @@ -0,0 +1,23 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Missing zero extension when converting a float32 +// to a uint64. + +package main + +import ( + "fmt" + "math" +) + +func Foo(v float32) { + fmt.Printf("%x\n", uint64(math.Float32bits(v))) +} + +func main() { + Foo(2.0) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue25322.out b/gcc/testsuite/go.test/test/fixedbugs/issue25322.out new file mode 100644 index 00000000000..52f3f6a7451 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue25322.out @@ -0,0 +1 @@ +40000000 diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue25507.go b/gcc/testsuite/go.test/test/fixedbugs/issue25507.go new file mode 100644 index 00000000000..9143a73397d --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue25507.go @@ -0,0 +1,29 @@ +// errorcheck + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// We have a limit of 1GB for stack frames. +// Test that we extend that limit to include large argument/return areas. +// Argument/return areas are part of the parent frame, not the frame itself, +// so they need to be handled separately. + +package main + +// >1GB to trigger failure, <2GB to work on 32-bit platforms. +type large struct { + b [1500000000]byte +} + +func (x large) f1() int { // GC_ERROR "stack frame too large" + return 5 +} + +func f2(x large) int { // GC_ERROR "stack frame too large" + return 5 +} + +func f3() (x large, i int) { // GC_ERROR "stack frame too large" + return +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue25516.go b/gcc/testsuite/go.test/test/fixedbugs/issue25516.go new file mode 100644 index 00000000000..8326ef953f0 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue25516.go @@ -0,0 +1,26 @@ +// compile + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Make sure dead write barriers are handled correctly. + +package main + +func f(p **int) { + // The trick here is to eliminate the block containing the write barrier, + // but only after the write barrier branches are inserted. + // This requires some delicate code. + i := 0 + var b []bool + var s string + for true { + if b[i] { + var a []string + s = a[len(s)] + i = 0 + } + *p = nil + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue25727.go b/gcc/testsuite/go.test/test/fixedbugs/issue25727.go new file mode 100644 index 00000000000..936b9f8ff5c --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue25727.go @@ -0,0 +1,21 @@ +// errorcheck + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import "net/http" + +var s = http.Server{} +var _ = s.doneChan // ERROR "s.doneChan undefined .cannot refer to unexported field or method doneChan.$|unexported field or method" +var _ = s.DoneChan // ERROR "s.DoneChan undefined .type http.Server has no field or method DoneChan.$|undefined field or method" +var _ = http.Server{tlsConfig: nil} // ERROR "unknown field 'tlsConfig' in struct literal.+ .but does have TLSConfig.$|unknown field .?tlsConfig.? in .?http.Server" +var _ = http.Server{DoneChan: nil} // ERROR "unknown field 'DoneChan' in struct literal of type http.Server$|unknown field .?DoneChan.? in .?http.Server" + +type foo struct { + bar int +} + +var _ = &foo{bAr: 10} // ERROR "unknown field 'bAr' in struct literal.+ .but does have bar.$|unknown field .?bAr.? in .?foo" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue25741.go b/gcc/testsuite/go.test/test/fixedbugs/issue25741.go new file mode 100644 index 00000000000..c76e9759460 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue25741.go @@ -0,0 +1,14 @@ +// compile + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +var s []int + +func main() { + i := -1 + s[i] = 0 +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue25776.go b/gcc/testsuite/go.test/test/fixedbugs/issue25776.go new file mode 100644 index 00000000000..e05c0bce4d7 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue25776.go @@ -0,0 +1,99 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +const ( + Upper = true + blas_Upper = 121 + badTriangle = "bad triangle" +) + +// Triangular represents a triangular matrix. Triangular matrices are always square. +type Triangular interface { + // Triangular returns the number of rows/columns in the matrix and its + // orientation. + Tryangle() (mmmm int, kynd bool) + Triangle() (mmmm int, kynd bool) +} + +// blas64_Triangular represents a triangular matrix using the conventional storage scheme. +type blas64_Triangular struct { + Stride int + Uplo int +} + +// TriDense represents an upper or lower triangular matrix in dense storage +// format. +type TriDense struct { + mat blas64_Triangular +} + +func NewTriDense() *TriDense { + return &TriDense{ + mat: blas64_Triangular{ + Stride: 3, + Uplo: blas_Upper, + }, + } +} + +func (t *TriDense) isUpper() bool { + return isUpperUplo(t.mat.Uplo) +} + +func (t *TriDense) triKind() bool { + return isUpperUplo(t.mat.Uplo) +} + +func isUpperUplo(u int) bool { + switch u { + case blas_Upper: + return true + default: + panic(badTriangle) + } +} + +func (t *TriDense) IsZero() bool { + return t.mat.Stride == 0 +} + +//go:noinline +func (t *TriDense) ScaleTri(f float64, a Triangular) { + n, kind := a.Triangle() + if kind == false { + println("ScaleTri n, kind=", n, ", ", kind, " (FAIL, expected true)") + } +} + +//go:noinline +func (t *TriDense) ScaleTry(f float64, a Triangular) { + n, kind := a.Tryangle() + if kind == false { + println("ScaleTry n, kind=", n, ", ", kind, " (FAIL, expected true)") + } +} + +// Triangle failed (before fix) +func (t *TriDense) Triangle() (nnnn int, kind bool) { + return 3, !t.IsZero() && t.triKind() +} + +// Tryangle works -- difference is not-named output parameters. +func (t *TriDense) Tryangle() (int, bool) { + return 3, !t.IsZero() && t.triKind() +} + +func main() { + ta := NewTriDense() + n, kind := ta.Triangle() + if kind == false { + println(" main n, kind=", n, ", ", kind, " (FAIL, expected true)") + } + ta.ScaleTri(1, ta) + ta.ScaleTry(1, ta) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue25897a.go b/gcc/testsuite/go.test/test/fixedbugs/issue25897a.go new file mode 100644 index 00000000000..6a724a79a59 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue25897a.go @@ -0,0 +1,34 @@ +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Make sure the runtime can scan args of an unstarted goroutine +// which starts with a reflect-generated function. + +package main + +import ( + "reflect" + "runtime" +) + +const N = 100 + +func main() { + runtime.GOMAXPROCS(1) + c := make(chan bool, N) + for i := 0; i < N; i++ { + f := reflect.MakeFunc(reflect.TypeOf(((func(*int))(nil))), + func(args []reflect.Value) []reflect.Value { + c <- true + return nil + }).Interface().(func(*int)) + go f(nil) + } + runtime.GC() + for i := 0; i < N; i++ { + <-c + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue25897b.go b/gcc/testsuite/go.test/test/fixedbugs/issue25897b.go new file mode 100644 index 00000000000..09a9673a60f --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue25897b.go @@ -0,0 +1,38 @@ +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Make sure the runtime can scan args of an unstarted goroutine +// which starts with a reflect-generated function. + +package main + +import ( + "reflect" + "runtime" +) + +const N = 100 + +type T struct { +} + +func (t *T) Foo(c chan bool) { + c <- true +} + +func main() { + t := &T{} + runtime.GOMAXPROCS(1) + c := make(chan bool, N) + for i := 0; i < N; i++ { + f := reflect.ValueOf(t).MethodByName("Foo").Interface().(func(chan bool)) + go f(c) + } + runtime.GC() + for i := 0; i < N; i++ { + <-c + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue25958.go b/gcc/testsuite/go.test/test/fixedbugs/issue25958.go new file mode 100644 index 00000000000..90fcee15fd0 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue25958.go @@ -0,0 +1,17 @@ +// errorcheck + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +// Verify that the "must be receive" error for "case done:" appears +// on the line of the case clause, not the line of the done declaration. + +func f(done chan struct{}) { + select { + case done: // ERROR "must be receive|expected .*<-.* or .*=" "not used" + case (chan struct{})(done): // ERROR "must be receive|expected .*<-.* or .*=" + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue25984.dir/p.go b/gcc/testsuite/go.test/test/fixedbugs/issue25984.dir/p.go new file mode 100644 index 00000000000..306d6a489fd --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue25984.dir/p.go @@ -0,0 +1,15 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +type m struct { + link *m +} + +var head *m + +func F(m *int) bool { + return head != nil +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue25984.dir/q.go b/gcc/testsuite/go.test/test/fixedbugs/issue25984.dir/q.go new file mode 100644 index 00000000000..64d25870b78 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue25984.dir/q.go @@ -0,0 +1,11 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package q + +import "./p" + +func G() { + p.F(nil) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue25984.go b/gcc/testsuite/go.test/test/fixedbugs/issue25984.go new file mode 100644 index 00000000000..128cf9d06ad --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue25984.go @@ -0,0 +1,7 @@ +// compiledir + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue26024.go b/gcc/testsuite/go.test/test/fixedbugs/issue26024.go new file mode 100644 index 00000000000..78877b21fe5 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue26024.go @@ -0,0 +1,28 @@ +// compile +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package r + +// f compiles into code where no stores remain in the two successors +// of a write barrier block; i.e., they are empty. Pre-fix, this +// results in an unexpected input to markUnsafePoints, that expects to +// see a pair of non-empty plain blocks. +func f() { + var i int + var s string + for len(s) < len(s) { + i++ + s = "a" + } + var b bool + var sa []string + for true { + sa = []string{""} + for b || i == 0 { + } + b = !b + _ = sa + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue26043.go b/gcc/testsuite/go.test/test/fixedbugs/issue26043.go new file mode 100644 index 00000000000..fe32947b07d --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue26043.go @@ -0,0 +1,32 @@ +// compile + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// This program results in a loop inferred to increment +// j by 0, causing bounds check elimination to attempt +// something%0, which panics (in the bug). + +package q + +func f() { + var s1 string + var b bool + if b { + b = !b + s1 += "a" + } + + var s2 string + var i, j int + if (s1 <= "") || (s2 >= "") { + j = len(s1[:6]) + } else { + i = len("b") + } + + for j < 0 { + j += i + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue26097.go b/gcc/testsuite/go.test/test/fixedbugs/issue26097.go new file mode 100644 index 00000000000..eedd6bacd04 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue26097.go @@ -0,0 +1,47 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +//go:noinline +func cmovClobberAX64(v1, v2 int64, x1, x2 float64) int64 { + r := v1 + if x1 == x2 { + r = v2 + } + return r +} + +//go:noinline +func cmovClobberAX32(v1, v2 int32, x1, x2 float64) int32 { + r := v1 + if x1 == x2 { + r = v2 + } + return r +} + +//go:noinline +func cmovClobberAX16(v1, v2 int16, x1, x2 float64) int16 { + r := v1 + if x1 == x2 { + r = v2 + } + return r +} + +func main() { + if cmovClobberAX16(1, 2, 4.0, 5.0) != 1 { + panic("CMOVQEQF causes incorrect code") + } + if cmovClobberAX32(1, 2, 4.0, 5.0) != 1 { + panic("CMOVQEQF causes incorrect code") + } + if cmovClobberAX64(1, 2, 4.0, 5.0) != 1 { + panic("CMOVQEQF causes incorrect code") + } + +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue26105.go b/gcc/testsuite/go.test/test/fixedbugs/issue26105.go new file mode 100644 index 00000000000..88a5f162f33 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue26105.go @@ -0,0 +1,25 @@ +// compile + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Triggers a bug in writebarrier, which inserts one +// between (first block) OpAddr x and (second block) a VarDef x, +// which are then in the wrong order and unable to be +// properly scheduled. + +package q + +var S interface{} + +func F(n int) { + fun := func(x int) int { + S = 1 + return n + } + i := fun(([]int{})[n]) + + var fc [2]chan int + S = (([1][2]chan int{fc})[i][i]) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue26116.go b/gcc/testsuite/go.test/test/fixedbugs/issue26116.go new file mode 100644 index 00000000000..8a6348181c7 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue26116.go @@ -0,0 +1,18 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func main() { + s := []int{0, 1, 2} + i := 1 + for i > 0 && s[i] != 2 { + i++ + } + if i != 2 { + panic("loop didn't run") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue26120.go b/gcc/testsuite/go.test/test/fixedbugs/issue26120.go new file mode 100644 index 00000000000..94bf7d9cb78 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue26120.go @@ -0,0 +1,23 @@ +// compile + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 26120: INDEX of 1-element but non-SSAable array +// is mishandled when building SSA. + +package p + +type T [1]struct { + f []int + i, j int +} + +func F() { + var v T + f := func() T { + return v + } + _ = []int{}[f()[0].i] +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue26153.go b/gcc/testsuite/go.test/test/fixedbugs/issue26153.go new file mode 100644 index 00000000000..53f53cf8a66 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue26153.go @@ -0,0 +1,29 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 26153. The write to ps was incorrectly +// removed by the dead auto elimination pass. + +package main + +const hello = "hello world" + +func main() { + var s string + mangle(&s) + if s != hello { + panic("write incorrectly elided") + } +} + +//go:noinline +func mangle(ps *string) { + if ps == nil { + var s string + ps = &s + } + *ps = hello +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue26248.go b/gcc/testsuite/go.test/test/fixedbugs/issue26248.go new file mode 100644 index 00000000000..2f04e48224c --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue26248.go @@ -0,0 +1,39 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 26248: gccgo miscompiles interface field expression. +// In G().M where G returns an interface, G() is evaluated twice. + +package main + +type I interface { + M() +} + +type T struct{} + +func (T) M() {} + +var g = 0 + +//go:noinline +func G() I { + g++ + return T{} +} + +//go:noinline +func Use(interface{}) {} + +func main() { + x := G().M + Use(x) + + if g != 1 { + println("want 1, got", g) + panic("FAIL") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue26341.dir/a.go b/gcc/testsuite/go.test/test/fixedbugs/issue26341.dir/a.go new file mode 100644 index 00000000000..4fd23c796ba --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue26341.dir/a.go @@ -0,0 +1,11 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package a + +type k int + +func (k) F() {} + +type M map[k]int diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue26341.dir/b.go b/gcc/testsuite/go.test/test/fixedbugs/issue26341.dir/b.go new file mode 100644 index 00000000000..30b8c25a5cf --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue26341.dir/b.go @@ -0,0 +1,13 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package b + +import "./a" + +func f() { + for k := range (a.M{}) { + k.F() + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue26341.go b/gcc/testsuite/go.test/test/fixedbugs/issue26341.go new file mode 100644 index 00000000000..128cf9d06ad --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue26341.go @@ -0,0 +1,7 @@ +// compiledir + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue26407.go b/gcc/testsuite/go.test/test/fixedbugs/issue26407.go new file mode 100644 index 00000000000..aa8e79c1e6a --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue26407.go @@ -0,0 +1,58 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 26407: ensure that stack variables which have +// had their address taken and then used in a comparison, +// but are otherwise unused, are cleared. + +package main + +func main() { + poison() + test() +} + +//go:noinline +func poison() { + // initialise the stack with invalid pointers + var large [256]uintptr + for i := range large { + large[i] = 1 + } + use(large[:]) +} + +//go:noinline +func test() { + a := 2 + x := &a + if x != compare(&x) { + panic("not possible") + } +} + +//go:noinline +func compare(x **int) *int { + var y *int + if x == &y { + panic("not possible") + } + // grow the stack to trigger a check for invalid pointers + grow() + if x == &y { + panic("not possible") + } + return *x +} + +//go:noinline +func grow() { + var large [1 << 16]uintptr + use(large[:]) +} + +//go:noinline +func use(_ []uintptr) { } diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue26411.go b/gcc/testsuite/go.test/test/fixedbugs/issue26411.go new file mode 100644 index 00000000000..5f40bf25229 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue26411.go @@ -0,0 +1,92 @@ +// +build !nacl,!js +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Ensure that label redefinition errors print out +// a column number that matches the start of the current label's +// definition instead of the label delimiting token ":" + +package main + +import ( + "bytes" + "fmt" + "io/ioutil" + "log" + "os" + "os/exec" + "path/filepath" + "regexp" +) + +func main() { + tmpdir, err := ioutil.TempDir("", "issue26411") + if err != nil { + log.Fatalf("Failed to create temporary directory: %v", err) + } + defer os.RemoveAll(tmpdir) + + tests := []struct { + code string + errors []string + }{ + { + code: ` +package main + +func main() { +foo: +foo: +} +`, + errors: []string{ + "^.+:5:1: label foo defined and not used\n", + ".+:6:1: label foo already defined at .+:5:1\n$", + }, + }, + { + code: ` +package main + +func main() { + + bar: + bar: +bar: +bar : +} +`, + + errors: []string{ + "^.+:6:13: label bar defined and not used\n", + ".+:7:4: label bar already defined at .+:6:13\n", + ".+:8:1: label bar already defined at .+:6:13\n", + ".+:9:1: label bar already defined at .+:6:13\n$", + }, + }, + } + + for i, test := range tests { + filename := filepath.Join(tmpdir, fmt.Sprintf("%d.go", i)) + if err := ioutil.WriteFile(filename, []byte(test.code), 0644); err != nil { + log.Printf("#%d: failed to create file %s", i, filename) + continue + } + output, _ := exec.Command("go", "tool", "compile", filename).CombinedOutput() + + // remove each matching error from the output + for _, err := range test.errors { + rx := regexp.MustCompile(err) + match := rx.Find(output) + output = bytes.Replace(output, match, nil, 1) // remove match (which might be nil) from output + } + + // at this point all output should have been consumed + if len(output) != 0 { + log.Printf("Test case %d has unmatched errors:\n%s", i, output) + } + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue26416.go b/gcc/testsuite/go.test/test/fixedbugs/issue26416.go new file mode 100644 index 00000000000..44a4fc73b77 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue26416.go @@ -0,0 +1,27 @@ +// errorcheck + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +type t1 struct { + t1f1 int + t1f2 int +} +type t2 struct { + t2f1 int + t2f2 int + *t1 +} +type t3 struct { + t3f1 int + *t2 +} + +var ( + _ = t2{t1f1: 600} // ERROR "cannot use promoted field t1.t1f1 in struct literal of type t2|unknown field" + _ = t3{t1f2: 800} // ERROR "cannot use promoted field t2.t1.t1f2 in struct literal of type t3|unknown field" + _ = t3{t2f1: 900} // ERROR "cannot use promoted field t2.t2f1 in struct literal of type t3|unknown field" +) diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue26438.go b/gcc/testsuite/go.test/test/fixedbugs/issue26438.go new file mode 100644 index 00000000000..d44da21eb07 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue26438.go @@ -0,0 +1,26 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 26438: arm64 backend may use 64-bit TST for +// "if uint32(a)&uint32(b) == 0", which should be +// 32-bit TSTW + +package main + +//go:noinline +func tstw(a, b uint64) uint64 { + if uint32(a)&uint32(b) == 0 { + return 100 + } else { + return 200 + } +} + +func main() { + if tstw(0xff00000000, 0xaa00000000) == 200 { + panic("impossible") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue26495.go b/gcc/testsuite/go.test/test/fixedbugs/issue26495.go new file mode 100644 index 00000000000..11ea360173f --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue26495.go @@ -0,0 +1,36 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 26495: gccgo produces incorrect order of evaluation +// for expressions involving &&, || subexpressions. + +package main + +var i int + +func checkorder(order int) { + if i != order { + panic("FAIL: wrong evaluation order") + } + i++ +} + +func A() bool { checkorder(1); return true } +func B() bool { checkorder(2); return true } +func C() bool { checkorder(5); return false } +func D() bool { panic("FAIL: D should not be called") } +func E() int { checkorder(3); return 0 } +func F() int { checkorder(0); return 0 } +func G(bool) int { checkorder(9); return 0 } +func H(int, bool, int) int { checkorder(7); return 0 } +func I(int) bool { checkorder(8); return true } +func J() int { checkorder(4); return 0 } +func K() int { checkorder(6); return 0 } +func L() int { checkorder(10); return 0 } + +func main() { + _ = F() + G(A() && B() && I(E()+H(J(), C() && D(), K()))) + L() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue26616.go b/gcc/testsuite/go.test/test/fixedbugs/issue26616.go new file mode 100644 index 00000000000..87c0293661f --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue26616.go @@ -0,0 +1,20 @@ +// errorcheck + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +var x int = three() // ERROR "assignment mismatch: 1 variable but three returns 3 values|multiple-value function call in single-value context" + +func f() { + var _ int = three() // ERROR "assignment mismatch: 1 variable but three returns 3 values|multiple-value function call in single-value context" + var a int = three() // ERROR "assignment mismatch: 1 variable but three returns 3 values|multiple-value function call in single-value context" + a = three() // ERROR "assignment mismatch: 1 variable but three returns 3 values|multiple-value function call in single-value context" + b := three() // ERROR "assignment mismatch: 1 variable but three returns 3 values|single variable set to multiple-value|multiple-value function call in single-value context" + + _, _ = a, b +} + +func three() (int, int, int) diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue26855.go b/gcc/testsuite/go.test/test/fixedbugs/issue26855.go new file mode 100644 index 00000000000..b965635a65c --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue26855.go @@ -0,0 +1,28 @@ +// errorcheck + +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Verify that we get the correct (T vs &T) literal specification +// in the error message. + +package p + +type S struct { + f T +} + +type P struct { + f *T +} + +type T struct{} + +var _ = S{ + f: &T{}, // ERROR "cannot use &T{}|incompatible type" +} + +var _ = P{ + f: T{}, // ERROR "cannot use T{}|incompatible type" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue27143.go b/gcc/testsuite/go.test/test/fixedbugs/issue27143.go new file mode 100644 index 00000000000..009ec9f6c25 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue27143.go @@ -0,0 +1,17 @@ +// compile + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 27143: cmd/compile: erroneous application of walkinrange +// optimization for const over 2**63 + +package p + +var c uint64 + +var b1 bool = 0x7fffffffffffffff < c && c < 0x8000000000000000 +var b2 bool = c < 0x8000000000000000 && 0x7fffffffffffffff < c +var b3 bool = 0x8000000000000000 < c && c < 0x8000000000000001 +var b4 bool = c < 0x8000000000000001 && 0x8000000000000000 < c diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue27232.go b/gcc/testsuite/go.test/test/fixedbugs/issue27232.go new file mode 100644 index 00000000000..3a1cc87e4cb --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue27232.go @@ -0,0 +1,19 @@ +// compile + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +type F = func(T) + +type T interface { + m(F) +} + +type t struct{} + +func (t) m(F) {} + +var _ T = &t{} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue27267.go b/gcc/testsuite/go.test/test/fixedbugs/issue27267.go new file mode 100644 index 00000000000..ebae44f48fe --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue27267.go @@ -0,0 +1,21 @@ +// compile + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +// 1st test case from issue +type F = func(E) // compiles if not type alias or moved below E struct +type E struct { + f F +} + +var x = E{func(E) {}} + +// 2nd test case from issue +type P = *S +type S struct { + p P +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue27278.go b/gcc/testsuite/go.test/test/fixedbugs/issue27278.go new file mode 100644 index 00000000000..73f7c755e1e --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue27278.go @@ -0,0 +1,63 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 27278: dead auto elim deletes an auto and its +// initialization, but it is live because of a nil check. + +package main + +type T struct { + _ [3]string + T2 +} + +func (t *T) M() []string { + return t.T2.M() +} + +type T2 struct { + T3 +} + +func (t *T2) M() []string { + return t.T3.M() +} + +type T3 struct { + a string +} + +func (t *T3) M() []string { + return []string{} +} + +func main() { + poison() + f() +} + +//go:noinline +func f() { + (&T{}).M() + grow(10000) +} + +// grow stack, triggers stack copy +func grow(n int) { + if n == 0 { + return + } + grow(n-1) +} + +// put some junk on stack, which cannot be valid address +//go:noinline +func poison() { + x := [10]int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10} + g = x +} + +var g [10]int diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue27289.go b/gcc/testsuite/go.test/test/fixedbugs/issue27289.go new file mode 100644 index 00000000000..293b9d00557 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue27289.go @@ -0,0 +1,24 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Make sure we don't prove that the bounds check failure branch is unreachable. + +package main + +//go:noinline +func f(a []int) { + _ = a[len(a)-1] +} + +func main() { + defer func() { + if err := recover(); err != nil { + return + } + panic("f should panic") + }() + f(nil) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue27356.go b/gcc/testsuite/go.test/test/fixedbugs/issue27356.go new file mode 100644 index 00000000000..c3e686df339 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue27356.go @@ -0,0 +1,19 @@ +// errorcheck + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 27356: function parameter hiding built-in function results in compiler crash + +package p + +var a = []int{1,2,3} + +func _(len int) { + _ = len(a) // ERROR "cannot call non-function|expected function" +} + +var cap = false +var _ = cap(a) // ERROR "cannot call non-function|expected function" + diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue27695.go b/gcc/testsuite/go.test/test/fixedbugs/issue27695.go new file mode 100644 index 00000000000..8bd4939e7ec --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue27695.go @@ -0,0 +1,62 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Make sure return values are always scanned, when +// calling methods (+functions, TODO) with reflect. + +package main + +import ( + "reflect" + "runtime/debug" + "sync" +) + +func main() { + debug.SetGCPercent(1) // run GC frequently + var wg sync.WaitGroup + for i := 0; i < 20; i++ { + wg.Add(1) + go func() { + defer wg.Done() + for i := 0; i < 2000; i++ { + _test() + } + }() + } + wg.Wait() +} + +type Stt struct { + Data interface{} +} + +type My struct { + b byte +} + +func (this *My) Run(rawData []byte) (Stt, error) { + var data string = "hello" + stt := Stt{ + Data: data, + } + return stt, nil +} + +func _test() (interface{}, error) { + f := reflect.ValueOf(&My{}).MethodByName("Run") + if method, ok := f.Interface().(func([]byte) (Stt, error)); ok { + s, e := method(nil) + // The bug in issue27695 happens here, during the return + // from the above call (at the end of reflect.callMethod + // when preparing to return). The result value that + // is assigned to s was not being scanned if GC happens + // to occur there. + i := interface{}(s) + return i, e + } + return nil, nil +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue27695b.go b/gcc/testsuite/go.test/test/fixedbugs/issue27695b.go new file mode 100644 index 00000000000..d80acfb8b40 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue27695b.go @@ -0,0 +1,64 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Make sure return values aren't scanned until they +// are initialized, when calling functions and methods +// via reflect. + +package main + +import ( + "reflect" + "runtime" + "unsafe" +) + +var badPtr uintptr + +var sink []byte + +func init() { + // Allocate large enough to use largeAlloc. + b := make([]byte, 1<<16-1) + sink = b // force heap allocation + // Any space between the object and the end of page is invalid to point to. + badPtr = uintptr(unsafe.Pointer(&b[len(b)-1])) + 1 +} + +func f(d func() *byte) *byte { + // Initialize callee args section with a bad pointer. + g(badPtr) + + // Then call a function which returns a pointer. + // That return slot starts out holding a bad pointer. + return d() +} + +//go:noinline +func g(x uintptr) { +} + +type T struct { +} + +func (t *T) Foo() *byte { + runtime.GC() + return nil +} + +func main() { + // Functions + d := reflect.MakeFunc(reflect.TypeOf(func() *byte { return nil }), + func(args []reflect.Value) []reflect.Value { + runtime.GC() + return []reflect.Value{reflect.ValueOf((*byte)(nil))} + }).Interface().(func() *byte) + f(d) + + // Methods + e := reflect.ValueOf(&T{}).Method(0).Interface().(func() *byte) + f(e) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue27695c.go b/gcc/testsuite/go.test/test/fixedbugs/issue27695c.go new file mode 100644 index 00000000000..948191cc966 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue27695c.go @@ -0,0 +1,65 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Make sure return values aren't scanned until they +// are initialized, when calling functions and methods +// via reflect. + +package main + +import ( + "io" + "reflect" + "runtime" + "unsafe" +) + +var badPtr uintptr + +var sink []byte + +func init() { + // Allocate large enough to use largeAlloc. + b := make([]byte, 1<<16-1) + sink = b // force heap allocation + // Any space between the object and the end of page is invalid to point to. + badPtr = uintptr(unsafe.Pointer(&b[len(b)-1])) + 1 +} + +func f(d func(error) error) error { + // Initialize callee args section with a bad pointer. + g(badPtr, badPtr, badPtr, badPtr) + + // Then call a function which returns a pointer. + // That return slot starts out holding a bad pointer. + return d(io.EOF) +} + +//go:noinline +func g(x, y, z, w uintptr) { +} + +type T struct { +} + +func (t *T) Foo(e error) error { + runtime.GC() + return e +} + +func main() { + // Functions + d := reflect.MakeFunc(reflect.TypeOf(func(e error) error { return e }), + func(args []reflect.Value) []reflect.Value { + runtime.GC() + return args + }).Interface().(func(error) error) + f(d) + + // Methods + x := reflect.ValueOf(&T{}).Method(0).Interface().(func(error) error) + f(x) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue27718.go b/gcc/testsuite/go.test/test/fixedbugs/issue27718.go new file mode 100644 index 00000000000..ff616fb0f29 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue27718.go @@ -0,0 +1,102 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// (-0)+0 should be 0, not -0. + +package main + +//go:noinline +func add64(x float64) float64 { + return x + 0 +} + +func testAdd64() { + var zero float64 + inf := 1.0 / zero + negZero := -1 / inf + if 1/add64(negZero) != inf { + panic("negZero+0 != posZero (64 bit)") + } +} + +//go:noinline +func sub64(x float64) float64 { + return x - 0 +} + +func testSub64() { + var zero float64 + inf := 1.0 / zero + negZero := -1 / inf + if 1/sub64(negZero) != -inf { + panic("negZero-0 != negZero (64 bit)") + } +} + +//go:noinline +func neg64(x float64) float64 { + return -x +} + +func testNeg64() { + var zero float64 + inf := 1.0 / zero + negZero := -1 / inf + if 1/neg64(negZero) != inf { + panic("-negZero != posZero (64 bit)") + } +} + +//go:noinline +func add32(x float32) float32 { + return x + 0 +} + +func testAdd32() { + var zero float32 + inf := 1.0 / zero + negZero := -1 / inf + if 1/add32(negZero) != inf { + panic("negZero+0 != posZero (32 bit)") + } +} + +//go:noinline +func sub32(x float32) float32 { + return x - 0 +} + +func testSub32() { + var zero float32 + inf := 1.0 / zero + negZero := -1 / inf + if 1/sub32(negZero) != -inf { + panic("negZero-0 != negZero (32 bit)") + } +} + +//go:noinline +func neg32(x float32) float32 { + return -x +} + +func testNeg32() { + var zero float32 + inf := 1.0 / zero + negZero := -1 / inf + if 1/neg32(negZero) != inf { + panic("-negZero != posZero (32 bit)") + } +} + +func main() { + testAdd64() + testSub64() + testNeg64() + testAdd32() + testSub32() + testNeg32() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue27829.go b/gcc/testsuite/go.test/test/fixedbugs/issue27829.go new file mode 100644 index 00000000000..92040432028 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue27829.go @@ -0,0 +1,27 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Bad AND/BTR combination rule. + +package main + +import "fmt" + +//go:noinline +func f(x uint64) uint64 { + return (x >> 48) &^ (uint64(0x4000)) +} + +func main() { + bad := false + if got, want := f(^uint64(0)), uint64(0xbfff); got != want { + fmt.Printf("got %x, want %x\n", got, want) + bad = true + } + if bad { + panic("bad") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue27938.go b/gcc/testsuite/go.test/test/fixedbugs/issue27938.go new file mode 100644 index 00000000000..ed974e642df --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue27938.go @@ -0,0 +1,23 @@ +// errorcheck + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Verify that we get a single non-confusing error +// message for embedded fields/interfaces that use +// a qualified identifier with non-existing package. + +package p + +type _ struct { + F sync.Mutex // ERROR "undefined: sync|expected package" +} + +type _ struct { + sync.Mutex // ERROR "undefined: sync|expected package" +} + +type _ interface { + sync.Mutex // ERROR "undefined: sync|expected package|expected signature or type name" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue27961.go b/gcc/testsuite/go.test/test/fixedbugs/issue27961.go new file mode 100644 index 00000000000..f8b4f669c48 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue27961.go @@ -0,0 +1,35 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 27961: some optimizations generate OffPtr with wrong +// types, which causes invalid bytecode on Wasm. + +package main + +import "math" + +type Vec2 [2]float64 + +func main() { + var a Vec2 + a.A().B().C().D() +} + +func (v Vec2) A() Vec2 { + return Vec2{v[0], v[0]} +} + +func (v Vec2) B() Vec2 { + return Vec2{1.0 / v.D(), 0} +} + +func (v Vec2) C() Vec2 { + return Vec2{v[0], v[0]} +} + +func (v Vec2) D() float64 { + return math.Sqrt(v[0]) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue28055.go b/gcc/testsuite/go.test/test/fixedbugs/issue28055.go new file mode 100644 index 00000000000..d4889d54d45 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue28055.go @@ -0,0 +1,16 @@ +// compile + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Make sure VARDEF can be a top-level statement. + +package p + +func f() { + var s string + var as []string + switch false && (s+"a"+as[0]+s+as[0]+s == "") { + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue28058.go b/gcc/testsuite/go.test/test/fixedbugs/issue28058.go new file mode 100644 index 00000000000..d8206e73576 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue28058.go @@ -0,0 +1,13 @@ +// errorcheck + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 14988: declaring a map with an invalid key type should not cause a +// fatal panic. + +package main + +var x map[func()]int // ERROR "invalid map key type" +var X map[func()]int // ERROR "invalid map key type" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue28078.go b/gcc/testsuite/go.test/test/fixedbugs/issue28078.go new file mode 100644 index 00000000000..2e4c4b55164 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue28078.go @@ -0,0 +1,34 @@ +// compile + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Non-constant duplicate keys/cases should not be reported +// as errors by the compiler. + +package p + +import "unsafe" + +func f() { + _ = map[uintptr]int{ + 0: 0, + uintptr(unsafe.Pointer(nil)): 0, + } + + switch uintptr(0) { + case 0: + case uintptr(unsafe.Pointer(nil)): + } + + switch interface{}(nil) { + case nil: + case nil: + } + + _ = map[interface{}]int{ + nil: 0, + nil: 0, + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue28079a.go b/gcc/testsuite/go.test/test/fixedbugs/issue28079a.go new file mode 100644 index 00000000000..b0631bbd86b --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue28079a.go @@ -0,0 +1,20 @@ +// compile + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Non-Go-constant but constant indexes are ok at compile time. + +package p + +import "unsafe" + +func f() { + var x [0]int + x[uintptr(unsafe.Pointer(nil))] = 0 +} +func g() { + var x [10]int + _ = x[3:uintptr(unsafe.Pointer(nil))] +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue28079b.go b/gcc/testsuite/go.test/test/fixedbugs/issue28079b.go new file mode 100644 index 00000000000..d1992e1d094 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue28079b.go @@ -0,0 +1,17 @@ +// errorcheck + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Non-Go-constant but constant values aren't ok for array sizes. + +package p + +import "unsafe" + +type T [uintptr(unsafe.Pointer(nil))]int // ERROR "non-constant array bound|array bound is not constant" + +func f() { + _ = complex(1<> 1) + +func main() { + s := make([]T, maxInt) + shouldPanic("cap out of range", func() { s = append(s, T{}) }) + var oneElem = make([]T, 1) + shouldPanic("cap out of range", func() { s = append(s, oneElem...) }) +} + +func shouldPanic(str string, f func()) { + defer func() { + err := recover() + if err == nil { + panic("did not panic") + } + s := err.(error).Error() + if !strings.Contains(s, str) { + panic("got panic " + s + ", want " + str) + } + }() + + f() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue29215.go b/gcc/testsuite/go.test/test/fixedbugs/issue29215.go new file mode 100644 index 00000000000..4e8f107aee5 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue29215.go @@ -0,0 +1,35 @@ +// compile + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func f() { + var s string + var p, q bool + s = "a" + for p { + p = false == (true != q) + s = "" + } + _ = s == "bbb" +} + +// Another case: load from negative offset of a symbol +// in dead code (issue 30257). +func g() { + var i int + var s string + + if true { + s = "a" + } + + if f := 0.0; -f < 0 { + i = len(s[:4]) + } + + _ = s[i-1:0] != "bb" && true +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue29218.go b/gcc/testsuite/go.test/test/fixedbugs/issue29218.go new file mode 100644 index 00000000000..ac9fed75f23 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue29218.go @@ -0,0 +1,24 @@ +// compile + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +type T struct { + b bool + string +} + +func f() { + var b bool + var t T + for { + switch &t.b { + case &b: + if b { + } + } + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue29220.go b/gcc/testsuite/go.test/test/fixedbugs/issue29220.go new file mode 100644 index 00000000000..bbfe930786e --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue29220.go @@ -0,0 +1,26 @@ +// compile + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func ascii(r rune) rune { + switch { + case 97 <= r && r <= 122: + return r - 32 + case 65 <= r && r <= 90: + return r + 32 + default: + return r + } +} + +func main() { + nomeObjeto := "ABE1FK21" + println(string(nomeObjeto[1:4])) + println(ascii(rune(nomeObjeto[4])) >= 48 && ascii(rune(nomeObjeto[4])) <= 57) + println(string(nomeObjeto[5])) + println(string(nomeObjeto[6:10])) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue29264.go b/gcc/testsuite/go.test/test/fixedbugs/issue29264.go new file mode 100644 index 00000000000..3781559ada3 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue29264.go @@ -0,0 +1,22 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Verify that we emit a valid type descriptor for +// a fairly deeply nested type. + +package main + +import "fmt" +import "strings" + +func main() { + a := [][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][]int{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{42}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} + got := fmt.Sprint(a) + want := strings.Repeat("[", 100) + "42" + strings.Repeat("]", 100) + if got != want { + fmt.Printf("got %q\nwant %q\n", got, want) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue29304.go b/gcc/testsuite/go.test/test/fixedbugs/issue29304.go new file mode 100644 index 00000000000..47bc99f9ca2 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue29304.go @@ -0,0 +1,19 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Verify that relocation target go.builtin.error.Error +// is defined and the code links and runs correctly. + +package main + +import "errors" + +func main() { + err := errors.New("foo") + if error.Error(err) != "foo" { + panic("FAILED") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue29312.go b/gcc/testsuite/go.test/test/fixedbugs/issue29312.go new file mode 100644 index 00000000000..4293e010042 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue29312.go @@ -0,0 +1,70 @@ +// run + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// This test is not for a fix of 29312 proper, but for the patch that +// makes sure we at least don't have a security hole because of 29312. + +// This code generates lots of types. The binary should contain +// a runtime.slicetype for each of the following 253 types: +// +// []*pwn +// [][]*pwn +// ... +// [][]...[][]*pwn - 249 total "[]" +// [][]...[][][]*pwn - 250 total "[]" +// [][]...[][][][]*pwn - 251 total "[]" +// [][]...[][][][][]*pwn - 252 total "[]" +// [][]...[][][][][][]*pwn - 253 total "[]" +// +// The type names for these types are as follows. Because we truncate +// the name at depth 250, the last few names are all identical: +// +// type.[]*"".pwn +// type.[][]*"".pwn +// ... +// type.[][]...[][]*pwn - 249 total "[]" +// type.[][]...[][][]*<...> - 250 total "[]" +// type.[][]...[][][][]<...> - 251 total "[]" +// type.[][]...[][][][]<...> - 252 total "[]" (but only 251 "[]" in the name) +// type.[][]...[][][][]<...> - 253 total "[]" (but only 251 "[]" in the name) +// +// Because the names of the last 3 types are all identical, the +// compiler will generate only a single runtime.slicetype data +// structure for all 3 underlying types. It turns out the compiler +// generates just the 251-entry one. There aren't any +// runtime.slicetypes generated for the final two types. +// +// The compiler passes type.[]...[]<...> (251 total "[]") to +// fmt.Sprintf (instead of the correct 253 one). But the data +// structure at runtime actually has 253 nesting levels. So we end up +// calling String on something that is of type [][]*pwn instead of +// something of type *pwn. The way arg passing in Go works, the +// backing store pointer for the outer slice becomes the "this" +// pointer of the String method, which points to the inner []*pwn +// slice. The String method then modifies the length of that inner +// slice. +package main + +import "fmt" + +type pwn struct { + a [3]uint +} + +func (this *pwn) String() string { + this.a[1] = 7 // update length + return "" +} + +func main() { + var a pwn + s := [][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][]*pwn{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{&a}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} // depth 253 + fmt.Sprint(s) + n := len(s[0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0][0]) // depth 252, type []*pwn + if n != 1 { + panic(fmt.Sprintf("length was changed, want 1 got %d", n)) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue29329.go b/gcc/testsuite/go.test/test/fixedbugs/issue29329.go new file mode 100644 index 00000000000..7818bca30a0 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue29329.go @@ -0,0 +1,107 @@ +// +build cgo +// run -race + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build linux,amd64 + +package main + +import ( + "fmt" +) + +type LineString []Point +type Point [2]float64 + +//go:noinline +func benchmarkData() LineString { + return LineString{{1.0, 2.0}} +} + +func (ls LineString) Clone() LineString { + ps := MultiPoint(ls) + return LineString(ps.Clone()) +} + +type MultiPoint []Point + +func (mp MultiPoint) Clone() MultiPoint { + if mp == nil { + return nil + } + + points := make([]Point, len(mp)) + copy(points, mp) + + return MultiPoint(points) +} + +func F1() { + cases := []struct { + threshold float64 + length int + }{ + {0.1, 1118}, + {0.5, 257}, + {1.0, 144}, + {1.5, 95}, + {2.0, 71}, + {3.0, 46}, + {4.0, 39}, + {5.0, 33}, + } + + ls := benchmarkData() + + for k := 0; k < 100; k++ { + for i, tc := range cases { + r := DouglasPeucker(tc.threshold).LineString(ls.Clone()) + if len(r) == tc.length { + fmt.Printf("%d: unexpected\n", i) + } + } + } +} + +// A DouglasPeuckerSimplifier wraps the DouglasPeucker function. +type DouglasPeuckerSimplifier struct { + Threshold float64 +} + +// DouglasPeucker creates a new DouglasPeuckerSimplifier. +func DouglasPeucker(threshold float64) *DouglasPeuckerSimplifier { + return &DouglasPeuckerSimplifier{ + Threshold: threshold, + } +} + +func (s *DouglasPeuckerSimplifier) LineString(ls LineString) LineString { + return lineString(s, ls) +} + +type simplifier interface { + simplify(LineString, bool) (LineString, []int) +} + +func lineString(s simplifier, ls LineString) LineString { + return runSimplify(s, ls) +} + +func runSimplify(s simplifier, ls LineString) LineString { + if len(ls) <= 2 { + return ls + } + ls, _ = s.simplify(ls, false) + return ls +} + +func (s *DouglasPeuckerSimplifier) simplify(ls LineString, wim bool) (LineString, []int) { + return nil, nil +} + +func main() { + F1() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue29350.go b/gcc/testsuite/go.test/test/fixedbugs/issue29350.go new file mode 100644 index 00000000000..9d59f6f6c0f --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue29350.go @@ -0,0 +1,9 @@ +// compile + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +var X interface{} = 'x' diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue29362.go b/gcc/testsuite/go.test/test/fixedbugs/issue29362.go new file mode 100644 index 00000000000..a8bd607c4a2 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue29362.go @@ -0,0 +1,42 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Verify that we don't consider a Go'd function's +// arguments as pointers when they aren't. + +package main + +import ( + "unsafe" +) + +var badPtr uintptr + +var sink []byte + +func init() { + // Allocate large enough to use largeAlloc. + b := make([]byte, 1<<16-1) + sink = b // force heap allocation + // Any space between the object and the end of page is invalid to point to. + badPtr = uintptr(unsafe.Pointer(&b[len(b)-1])) + 1 +} + +var throttle = make(chan struct{}, 10) + +func noPointerArgs(a, b, c, d uintptr) { + sink = make([]byte, 4096) + <-throttle +} + +func main() { + const N = 1000 + for i := 0; i < N; i++ { + throttle <- struct{}{} + go noPointerArgs(badPtr, badPtr, badPtr, badPtr) + sink = make([]byte, 4096) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue29362b.go b/gcc/testsuite/go.test/test/fixedbugs/issue29362b.go new file mode 100644 index 00000000000..d1e3b4733f8 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue29362b.go @@ -0,0 +1,53 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Verify that we don't consider a Go'd function's +// arguments as pointers when they aren't. + +package main + +import ( + "unsafe" +) + +var badPtr uintptr + +var sink []byte + +func init() { + // Allocate large enough to use largeAlloc. + b := make([]byte, 1<<16-1) + sink = b // force heap allocation + // Any space between the object and the end of page is invalid to point to. + badPtr = uintptr(unsafe.Pointer(&b[len(b)-1])) + 1 +} + +var throttle = make(chan struct{}, 10) + +// There are 2 arg bitmaps for this function, each with 2 bits. +// In the first, p and q are both live, so that bitmap is 11. +// In the second, only p is live, so that bitmap is 10. +// Bitmaps are byte aligned, so if the first bitmap is interpreted as +// extending across the entire argument area, we incorrectly concatenate +// the bitmaps and end up using 110000001. That bad bitmap causes a6 +// to be considered a pointer. +func noPointerArgs(p, q *byte, a0, a1, a2, a3, a4, a5, a6 uintptr) { + sink = make([]byte, 4096) + sinkptr = q + <-throttle + sinkptr = p +} + +var sinkptr *byte + +func main() { + const N = 1000 + for i := 0; i < N; i++ { + throttle <- struct{}{} + go noPointerArgs(nil, nil, badPtr, badPtr, badPtr, badPtr, badPtr, badPtr, badPtr) + sink = make([]byte, 4096) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue29389.go b/gcc/testsuite/go.test/test/fixedbugs/issue29389.go new file mode 100644 index 00000000000..43859fd38f0 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue29389.go @@ -0,0 +1,17 @@ +// compile + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Make sure we can correctly compile method expressions +// where the method is implicitly declared. + +package main + +import "io" + +func main() { + err := io.EOF + _ = err.Error +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue29402.go b/gcc/testsuite/go.test/test/fixedbugs/issue29402.go new file mode 100644 index 00000000000..8a1f959d842 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue29402.go @@ -0,0 +1,23 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 29402: wrong optimization of comparison of +// constant and shift on MIPS. + +package main + +//go:noinline +func F(s []int) bool { + half := len(s) / 2 + return half >= 0 +} + +func main() { + b := F([]int{1, 2, 3, 4}) + if !b { + panic("FAIL") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue29562.go b/gcc/testsuite/go.test/test/fixedbugs/issue29562.go new file mode 100644 index 00000000000..cbcd77d5df7 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue29562.go @@ -0,0 +1,26 @@ +// compile + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Triggers a double walk of the (inlined) switch in il + +package p + +func il(s string) string { + switch len(s) { + case 0: + return "zero" + case 1: + return "one" + } + return s +} + +func f() { + var s string + var as []string + switch false && (s+"a"+as[0]+il(s)+as[0]+s == "") { + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue29610.dir/a.go b/gcc/testsuite/go.test/test/fixedbugs/issue29610.dir/a.go new file mode 100644 index 00000000000..ccbe451bca9 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue29610.dir/a.go @@ -0,0 +1,15 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package a + +type I interface { + M(init bool) +} + +var V I + +func init() { + V = nil +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue29610.dir/b.go b/gcc/testsuite/go.test/test/fixedbugs/issue29610.dir/b.go new file mode 100644 index 00000000000..c2016de3d05 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue29610.dir/b.go @@ -0,0 +1,17 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package b + +import "./a" + +type S struct { + a.I +} + +var V a.I + +func init() { + V = S{} +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue29610.dir/main.go b/gcc/testsuite/go.test/test/fixedbugs/issue29610.dir/main.go new file mode 100644 index 00000000000..29437bfa618 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue29610.dir/main.go @@ -0,0 +1,11 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import "./b" + +var v b.S + +func main() {} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue29610.go b/gcc/testsuite/go.test/test/fixedbugs/issue29610.go new file mode 100644 index 00000000000..8d49ba6b8c1 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue29610.go @@ -0,0 +1,13 @@ +// rundir + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 29610: Symbol import and initialization order caused function +// symbols to be recorded as non-function symbols. + +// This uses rundir not because we actually want to run the final +// binary, but because we need to at least link it. + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue29735.go b/gcc/testsuite/go.test/test/fixedbugs/issue29735.go new file mode 100644 index 00000000000..7a0381d533e --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue29735.go @@ -0,0 +1,33 @@ +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Make sure FuncForPC won't panic when given a pc which +// lies between two functions. + +package main + +import ( + "runtime" +) + +func main() { + var stack [1]uintptr + runtime.Callers(1, stack[:]) + f() // inlined function, to give main some inlining info + for i := uintptr(0); true; i++ { + f := runtime.FuncForPC(stack[0] + i) + if f.Name() != "main.main" && f.Name() != "main.f" { + // Reached next function successfully. + break + } + } +} + +func f() { + sink = 0 // one instruction which can't be removed +} + +var sink int diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue29855.go b/gcc/testsuite/go.test/test/fixedbugs/issue29855.go new file mode 100644 index 00000000000..402093c1602 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue29855.go @@ -0,0 +1,17 @@ +// errorcheck + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +type T struct { + GlobalName string +} + +var t = T{Name: "foo"} // ERROR "unknown field 'Name' in struct literal of type T|unknown field .*Name.* in .*T" + +func (t T) Name() string { + return t.GlobalName +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue29870.go b/gcc/testsuite/go.test/test/fixedbugs/issue29870.go new file mode 100644 index 00000000000..b79860ca2bb --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue29870.go @@ -0,0 +1,15 @@ +// compile + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Make sure we can compile "_" functions without crashing. + +package main + +import "log" + +func _() { + log.Println("%2F") +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue29870b.go b/gcc/testsuite/go.test/test/fixedbugs/issue29870b.go new file mode 100644 index 00000000000..0a83489d963 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue29870b.go @@ -0,0 +1,14 @@ +// errorcheck + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Make sure we're compiling "_" functions at least enough +// to get to an error which is generated during walk. + +package main + +func _() { + x := 7 // ERROR ".*x.* declared but not used" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue29943.go b/gcc/testsuite/go.test/test/fixedbugs/issue29943.go new file mode 100644 index 00000000000..ff47de55d52 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue29943.go @@ -0,0 +1,28 @@ +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Code was miscompiled on ppc64le due to incorrect zero-extension +// that was CSE'd. + +package main + +//go:noinline +func g(i uint64) uint64 { + return uint64(uint32(i)) +} + +var sink uint64 + +func main() { + for i := uint64(0); i < 1; i++ { + i32 := int32(i - 1) + sink = uint64((uint32(i32) << 1) ^ uint32((i32 >> 31))) + x := g(uint64(i32)) + if x != uint64(uint32(i32)) { + panic(x) + } + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue30041.go b/gcc/testsuite/go.test/test/fixedbugs/issue30041.go new file mode 100644 index 00000000000..7d8a1698cbc --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue30041.go @@ -0,0 +1,63 @@ +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 30041: copying results of a reflect-generated +// call on stack should not have write barrier. + +package main + +import ( + "reflect" + "runtime" + "unsafe" +) + +var badPtr uintptr + +var sink []byte + +func init() { + // Allocate large enough to use largeAlloc. + b := make([]byte, 1<<16-1) + sink = b // force heap allocation + // Any space between the object and the end of page is invalid to point to. + badPtr = uintptr(unsafe.Pointer(&b[len(b)-1])) + 1 +} + +type ft func() *int + +var fn ft + +func rf([]reflect.Value) []reflect.Value { + a := reflect.ValueOf((*int)(nil)) + return []reflect.Value{a} +} + +const N = 1000 + +func main() { + fn = reflect.MakeFunc(reflect.TypeOf(fn), rf).Interface().(ft) + + // Keep running GC so the write barrier is on. + go func() { + for i := 0; i < N; i++ { + runtime.GC() + } + }() + + var x [10]uintptr + for i := range x { + x[i] = badPtr + } + for i := 0; i < N; i++ { + runtime.Gosched() + use(x) // prepare bad pointers on stack + fn() + } +} + +//go:noinline +func use([10]uintptr) {} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue30061.go b/gcc/testsuite/go.test/test/fixedbugs/issue30061.go new file mode 100644 index 00000000000..5092b01799e --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue30061.go @@ -0,0 +1,20 @@ +// compile + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Make sure we can linkname to memmove with an unsafe.Pointer argument. + +package p + +import "unsafe" + +//go:linkname memmove runtime.memmove +func memmove(to, from unsafe.Pointer, n uintptr) + +var V1, V2 int + +func F() { + memmove(unsafe.Pointer(&V1), unsafe.Pointer(&V2), unsafe.Sizeof(int(0))) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue30085.go b/gcc/testsuite/go.test/test/fixedbugs/issue30085.go new file mode 100644 index 00000000000..d2ac4cfbfa7 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue30085.go @@ -0,0 +1,12 @@ +// errorcheck + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func main() { + var c, d = 1, 2, 3 // ERROR "assignment mismatch: 2 variables but 3 values|wrong number of initializations" + var e, f, g = 1, 2 // ERROR "assignment mismatch: 3 variables but 2 values|wrong number of initializations" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue30087.go b/gcc/testsuite/go.test/test/fixedbugs/issue30087.go new file mode 100644 index 00000000000..3ad9c8c8d90 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue30087.go @@ -0,0 +1,14 @@ +// errorcheck + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func main() { + var a, b = 1 // ERROR "assignment mismatch: 2 variables but 1 values|wrong number of initializations" + _ = 1, 2 // ERROR "assignment mismatch: 1 variables but 2 values|number of variables does not match" + c, d := 1 // ERROR "assignment mismatch: 2 variables but 1 values|wrong number of initializations" + e, f := 1, 2, 3 // ERROR "assignment mismatch: 2 variables but 3 values|wrong number of initializations" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue30243.go b/gcc/testsuite/go.test/test/fixedbugs/issue30243.go new file mode 100644 index 00000000000..51fd204cbc6 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue30243.go @@ -0,0 +1,27 @@ +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Compile-time constants, even if they cannot be represented +// accurately, should remain the same in operations that don't +// affect their values. + +package main + +import "fmt" + +func main() { + const x = 0.01 + const xi = 0.01i + const xc = complex(0, x) + + if imag(xi) != x { + fmt.Printf("FAILED: %g != %g\n", imag(xi), x) + } + + if xi != complex(0, x) { + fmt.Printf("FAILED: %g != %g\n", xi, complex(0, x)) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue30430.go b/gcc/testsuite/go.test/test/fixedbugs/issue30430.go new file mode 100644 index 00000000000..6c27b82881a --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue30430.go @@ -0,0 +1,17 @@ +// compile + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 30430: isGoConst returned true for non-const variables, +// resulting in ICE. + +package p + +func f() { + var s string + _ = map[string]string{s: ""} +} + +const s = "" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue30476.go b/gcc/testsuite/go.test/test/fixedbugs/issue30476.go new file mode 100644 index 00000000000..a2147ec0c1e --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue30476.go @@ -0,0 +1,30 @@ +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 30476: KeepAlive didn't keep stack object alive. + +package main + +import "runtime" + +func main() { + x := new([10]int) + runtime.SetFinalizer(x, func(*[10]int) { panic("FAIL: finalizer runs") }) + p := &T{x, 0} + use(p) + runtime.GC() + runtime.GC() + runtime.GC() + runtime.KeepAlive(p) +} + +type T struct { + x *[10]int + y int +} + +//go:noinline +func use(*T) {} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue30566a.go b/gcc/testsuite/go.test/test/fixedbugs/issue30566a.go new file mode 100644 index 00000000000..5d736ccd0dc --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue30566a.go @@ -0,0 +1,23 @@ +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import "fmt" + +//go:noinline +func ident(s string) string { return s } + +func returnSecond(x bool, s string) string { return s } + +func identWrapper(s string) string { return ident(s) } + +func main() { + got := returnSecond((false || identWrapper("bad") != ""), ident("good")) + if got != "good" { + panic(fmt.Sprintf("wanted \"good\", got \"%s\"", got)) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue30566b.go b/gcc/testsuite/go.test/test/fixedbugs/issue30566b.go new file mode 100644 index 00000000000..92e064436dd --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue30566b.go @@ -0,0 +1,27 @@ +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "bytes" + "fmt" +) + +func main() { + _, _ = false || g(1), g(2) + if !bytes.Equal(x, []byte{1, 2}) { + panic(fmt.Sprintf("wanted [1,2], got %v", x)) + } +} + +var x []byte + +//go:noinline +func g(b byte) bool { + x = append(x, b) + return false +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue30606.go b/gcc/testsuite/go.test/test/fixedbugs/issue30606.go new file mode 100644 index 00000000000..bc31982e10f --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue30606.go @@ -0,0 +1,20 @@ +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import "reflect" + +func main() {} + +func typ(x interface{}) reflect.Type { return reflect.ValueOf(x).Type() } + +var x = reflect.New(reflect.StructOf([]reflect.StructField{ + {Name: "F5", Type: reflect.StructOf([]reflect.StructField{ + {Name: "F4", Type: reflect.ArrayOf(5462, + reflect.SliceOf(typ(uint64(0))))}, + })}, +})) diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue30606b.go b/gcc/testsuite/go.test/test/fixedbugs/issue30606b.go new file mode 100644 index 00000000000..2ce2804ad8d --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue30606b.go @@ -0,0 +1,51 @@ +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import "reflect" + +func main() {} + +func typ(x interface{}) reflect.Type { return reflect.ValueOf(x).Type() } + +var byteType = typ((byte)(0)) +var ptrType = typ((*byte)(nil)) + +// Arrays of pointers. There are two size thresholds. +// Bit masks are chunked in groups of 120 pointers. +// Array types with >16384 pointers have a GC program instead of a bitmask. +var smallPtrType = reflect.ArrayOf(100, ptrType) +var mediumPtrType = reflect.ArrayOf(1000, ptrType) +var bigPtrType = reflect.ArrayOf(16385, ptrType) + +var x0 = reflect.New(reflect.StructOf([]reflect.StructField{ + {Name: "F1", Type: byteType}, + {Name: "F2", Type: bigPtrType}, +})) +var x1 = reflect.New(reflect.StructOf([]reflect.StructField{ + {Name: "F1", Type: smallPtrType}, + {Name: "F2", Type: bigPtrType}, +})) +var x2 = reflect.New(reflect.StructOf([]reflect.StructField{ + {Name: "F1", Type: mediumPtrType}, + {Name: "F2", Type: bigPtrType}, +})) +var x3 = reflect.New(reflect.StructOf([]reflect.StructField{ + {Name: "F1", Type: ptrType}, + {Name: "F2", Type: byteType}, + {Name: "F3", Type: bigPtrType}, +})) +var x4 = reflect.New(reflect.StructOf([]reflect.StructField{ + {Name: "F1", Type: ptrType}, + {Name: "F2", Type: smallPtrType}, + {Name: "F3", Type: bigPtrType}, +})) +var x5 = reflect.New(reflect.StructOf([]reflect.StructField{ + {Name: "F1", Type: ptrType}, + {Name: "F2", Type: mediumPtrType}, + {Name: "F3", Type: bigPtrType}, +})) diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue30679.go b/gcc/testsuite/go.test/test/fixedbugs/issue30679.go new file mode 100644 index 00000000000..4d0df18f45f --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue30679.go @@ -0,0 +1,18 @@ +// compile + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func main() { + var f float64 + var p, q *float64 + + p = &f + if *q > 0 { + p = q + } + _ = *p +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue30709.go b/gcc/testsuite/go.test/test/fixedbugs/issue30709.go new file mode 100644 index 00000000000..49524540ed3 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue30709.go @@ -0,0 +1,33 @@ +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check closure in const declaration group can be compiled +// and set correct value + +package main + +import "unsafe" + +const ( + x = unsafe.Sizeof(func() {}) + y +) + +func main() { + const ( + z = unsafe.Sizeof(func() {}) + t + ) + + // x and y must be equal + println(x == y) + // size must be greater than zero + println(y > 0) + + // Same logic as x, y above + println(z == t) + println(t > 0) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue30709.out b/gcc/testsuite/go.test/test/fixedbugs/issue30709.out new file mode 100644 index 00000000000..1140ff52e2b --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue30709.out @@ -0,0 +1,4 @@ +true +true +true +true diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue30862.dir/a.go b/gcc/testsuite/go.test/test/fixedbugs/issue30862.dir/a.go new file mode 100644 index 00000000000..c23f4de1efd --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue30862.dir/a.go @@ -0,0 +1,15 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package a + +var pl int + +type NoitfStruct struct { + F int + G int +} + +//go:nointerface +func (t *NoitfStruct) NoInterfaceMethod() {} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue30862.dir/b.go b/gcc/testsuite/go.test/test/fixedbugs/issue30862.dir/b.go new file mode 100644 index 00000000000..3e501bb8dcb --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue30862.dir/b.go @@ -0,0 +1,29 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package b + +import "./a" + +type EmbedImported struct { + a.NoitfStruct +} + +func Test() []string { + bad := []string{} + x := interface{}(new(a.NoitfStruct)) + if _, ok := x.(interface { + NoInterfaceMethod() + }); ok { + bad = append(bad, "fail 1") + } + + x = interface{}(new(EmbedImported)) + if _, ok := x.(interface { + NoInterfaceMethod() + }); ok { + bad = append(bad, "fail 2") + } + return bad +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue30862.dir/main.go b/gcc/testsuite/go.test/test/fixedbugs/issue30862.dir/main.go new file mode 100644 index 00000000000..80db0e13a84 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue30862.dir/main.go @@ -0,0 +1,28 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "fmt" + "os" + + "./b" +) + +// Test case for issue 30862. + +// Be aware that unless GOEXPERIMENT=fieldtrack is set when building +// the compiler, this test will fail if executed with a regular GC +// compiler. + +func main() { + bad := b.Test() + if len(bad) > 0 { + for _, s := range bad { + fmt.Fprintf(os.Stderr, "test failed: %s\n", s) + } + os.Exit(1) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue30862.go b/gcc/testsuite/go.test/test/fixedbugs/issue30862.go new file mode 100644 index 00000000000..ba122cc3c8b --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue30862.go @@ -0,0 +1,14 @@ +// rundir + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Test case for issue 30862. This test as written will +// fail for the main 'gc' compiler unless GOEXPERIMENT=fieldtrack +// is set when building it, whereas gccgo has field tracking +// enabled by default (hence the build tag below). + +// +build gccgo + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue30898.go b/gcc/testsuite/go.test/test/fixedbugs/issue30898.go new file mode 100644 index 00000000000..b6376d3f9e7 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue30898.go @@ -0,0 +1,19 @@ +// errorcheck -0 -m + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Test escape analysis for functions with variadic arguments + +package foo + +func debugf(format string, args ...interface{}) { // ERROR "can inline debugf" "format does not escape" "args does not escape" + // Dummy implementation for non-debug build. + // A non-empty implementation would be enabled with a build tag. +} + +func bar() { // ERROR "can inline bar" + value := 10 + debugf("value is %d", value) // ERROR "inlining call to debugf" "value does not escape" "\[\]interface {}{...} does not escape" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue30907.dir/a.go b/gcc/testsuite/go.test/test/fixedbugs/issue30907.dir/a.go new file mode 100644 index 00000000000..e1a5c0cc3b6 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue30907.dir/a.go @@ -0,0 +1,19 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package a + +type UUID string + +func New() UUID { + return Must(NewRandom()) +} + +func NewRandom() (UUID, error) { + return "", nil +} + +func Must(uuid UUID, err error) UUID { + return uuid +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue30907.dir/b.go b/gcc/testsuite/go.test/test/fixedbugs/issue30907.dir/b.go new file mode 100644 index 00000000000..f4f5fc4fdd1 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue30907.dir/b.go @@ -0,0 +1,11 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +import "./a" + +func F() { + a.New() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue30907.go b/gcc/testsuite/go.test/test/fixedbugs/issue30907.go new file mode 100644 index 00000000000..973ae1dcef2 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue30907.go @@ -0,0 +1,7 @@ +// compiledir + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue30956.go b/gcc/testsuite/go.test/test/fixedbugs/issue30956.go new file mode 100644 index 00000000000..021e6c5d47b --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue30956.go @@ -0,0 +1,32 @@ +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for compile generated static data for literal +// composite struct + +package main + +import "fmt" + +type X struct { + V interface{} + + a int + b int + c int +} + +func pr(x X) { + fmt.Println(x.V) +} + +func main() { + pr(X{ + V: struct { + A int + }{42}, + }) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue30956.out b/gcc/testsuite/go.test/test/fixedbugs/issue30956.out new file mode 100644 index 00000000000..04f25e8ae79 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue30956.out @@ -0,0 +1 @@ +{42} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue30977.go b/gcc/testsuite/go.test/test/fixedbugs/issue30977.go new file mode 100644 index 00000000000..2ca040d79a1 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue30977.go @@ -0,0 +1,52 @@ +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 30977: write barrier call clobbers volatile +// value when there are multiple uses of the value. + +package main + +import "runtime" + +type T struct { + a, b, c, d, e string +} + +//go:noinline +func g() T { + return T{"a", "b", "c", "d", "e"} +} + +//go:noinline +func f() { + // The compiler optimizes this to direct copying + // the call result to both globals, with write + // barriers. The first write barrier call clobbers + // the result of g on stack. + X = g() + Y = X +} + +var X, Y T + +const N = 1000 + +func main() { + // Keep GC running so the write barrier is on. + go func() { + for { + runtime.GC() + } + }() + + for i := 0; i < N; i++ { + runtime.Gosched() + f() + if X != Y { + panic("FAIL") + } + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue31010.go b/gcc/testsuite/go.test/test/fixedbugs/issue31010.go new file mode 100644 index 00000000000..836e85fd123 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue31010.go @@ -0,0 +1,24 @@ +// compile + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +var ( + x int + xs []int +) + +func a([]int) (int, error) + +func b() (int, error) { + return a(append(xs, x)) +} + +func c(int, error) (int, error) + +func d() (int, error) { + return c(b()) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue31060.go b/gcc/testsuite/go.test/test/fixedbugs/issue31060.go new file mode 100644 index 00000000000..a1ba705160a --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue31060.go @@ -0,0 +1,30 @@ +// errorcheck + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +const ( + f = 1.0 + c = 1.0i + + _ = ^f // ERROR "invalid operation|expected integer" + _ = ^c // ERROR "invalid operation|expected integer" + + _ = f % f // ERROR "invalid operation|expected integer" + _ = c % c // ERROR "invalid operation|expected integer" + + _ = f & f // ERROR "invalid operation|expected integer" + _ = c & c // ERROR "invalid operation|expected integer" + + _ = f | f // ERROR "invalid operation|expected integer" + _ = c | c // ERROR "invalid operation|expected integer" + + _ = f ^ f // ERROR "invalid operation|expected integer" + _ = c ^ c // ERROR "invalid operation|expected integer" + + _ = f &^ f // ERROR "invalid operation|expected integer" + _ = c &^ c // ERROR "invalid operation|expected integer" +) diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue31252.dir/a.go b/gcc/testsuite/go.test/test/fixedbugs/issue31252.dir/a.go new file mode 100644 index 00000000000..fa431502c08 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue31252.dir/a.go @@ -0,0 +1,13 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package a + +import "fmt" + +type IndexController struct{} + +func (this *IndexController) Index(m *string) { + fmt.Println(m) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue31252.dir/b.go b/gcc/testsuite/go.test/test/fixedbugs/issue31252.dir/b.go new file mode 100644 index 00000000000..9bfc0ff92ea --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue31252.dir/b.go @@ -0,0 +1,13 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package b + +import "fmt" + +type IndexController struct{} + +func (this *IndexController) Index(m *string) { + fmt.Println(m) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue31252.dir/c.go b/gcc/testsuite/go.test/test/fixedbugs/issue31252.dir/c.go new file mode 100644 index 00000000000..928c8eee1cd --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue31252.dir/c.go @@ -0,0 +1,26 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package c + +import ( + "a" + "b" +) + +type HandlerFunc func(*string) + +func RouterInit() { + //home API + homeIndex := &a.IndexController{} + GET("/home/index/index", homeIndex.Index) + //admin API + adminIndex := &b.IndexController{} + GET("/admin/index/index", adminIndex.Index) + return +} + +func GET(path string, handlers ...HandlerFunc) { + return +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue31252.dir/main.go b/gcc/testsuite/go.test/test/fixedbugs/issue31252.dir/main.go new file mode 100644 index 00000000000..25a75486688 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue31252.dir/main.go @@ -0,0 +1,11 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import "c" + +func main() { + c.RouterInit() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue31252.go b/gcc/testsuite/go.test/test/fixedbugs/issue31252.go new file mode 100644 index 00000000000..973ae1dcef2 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue31252.go @@ -0,0 +1,7 @@ +// compiledir + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue31412a.go b/gcc/testsuite/go.test/test/fixedbugs/issue31412a.go new file mode 100644 index 00000000000..75021c68d26 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue31412a.go @@ -0,0 +1,32 @@ +// compile + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// This code was incorrectly flagged as erroneous by gccgo. + +package main + +type Name string + +type EFunc func(int) int + +func Register(f EFunc, names ...Name) int { + return f(len(names)) +} + +const ( + B Name = "B" +) + +func RegisterIt() { + n := B + "Duck" + d := B + "Goose" + f := func(x int) int { return x + 9 } + Register(f, n, d) +} + +func main() { + RegisterIt() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue31412b.go b/gcc/testsuite/go.test/test/fixedbugs/issue31412b.go new file mode 100644 index 00000000000..6c4ec00dc9b --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue31412b.go @@ -0,0 +1,20 @@ +// errorcheck + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// This code was incorrectly accepted by gccgo. + +package main + +type N string +type M string + +const B N = "B" +const C M = "C" + +func main() { + q := B + C // ERROR "mismatched types|incompatible types" + println(q) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue31419.go b/gcc/testsuite/go.test/test/fixedbugs/issue31419.go new file mode 100644 index 00000000000..233111ae148 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue31419.go @@ -0,0 +1,58 @@ +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 31419: race in getitab when two goroutines try +// to do the same failed interface conversion. + +package main + +type T int + +func (t T) M() {} + +type I interface { + M() + M2() +} + +var t T +var e interface{} = &t +var ok = false +var ch = make(chan int) + +func main() { + _, ok = e.(I) // populate itab cache with a false result + + go f() // get itab in a loop + + var i I + for k := 0; k < 10000; k++ { + i, ok = e.(I) // read the cached itab + if ok { + println("iteration", k, "i =", i, "&t =", &t) + panic("conversion succeeded") + } + } + <-ch +} + +func f() { + for i := 0; i < 10000; i++ { + f1() + } + ch <- 1 +} + +func f1() { + defer func() { + err := recover() + if err == nil { + panic("did not panic") + } + }() + i := e.(I) // triggers itab.init, for getting the panic string + _ = i +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue31573.go b/gcc/testsuite/go.test/test/fixedbugs/issue31573.go new file mode 100644 index 00000000000..005910e00d1 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue31573.go @@ -0,0 +1,49 @@ +// errorcheck -0 -m + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +func f(...*int) {} // ERROR "can inline f$" + +func g() { + defer f() + defer f(new(int)) // ERROR "... argument does not escape$" "new\(int\) does not escape$" + defer f(new(int), new(int)) // ERROR "... argument does not escape$" "new\(int\) does not escape$" + + defer f(nil...) + defer f([]*int{}...) // ERROR "\[\]\*int{} does not escape$" + defer f([]*int{new(int)}...) // ERROR "\[\]\*int{...} does not escape$" "new\(int\) does not escape$" + defer f([]*int{new(int), new(int)}...) // ERROR "\[\]\*int{...} does not escape$" "new\(int\) does not escape$" + + go f() + go f(new(int)) // ERROR "... argument escapes to heap$" "new\(int\) escapes to heap$" + go f(new(int), new(int)) // ERROR "... argument escapes to heap$" "new\(int\) escapes to heap$" + + go f(nil...) + go f([]*int{}...) // ERROR "\[\]\*int{} escapes to heap$" + go f([]*int{new(int)}...) // ERROR "\[\]\*int{...} escapes to heap$" "new\(int\) escapes to heap$" + go f([]*int{new(int), new(int)}...) // ERROR "\[\]\*int{...} escapes to heap$" "new\(int\) escapes to heap$" + + for { + defer f() + defer f(new(int)) // ERROR "... argument escapes to heap$" "new\(int\) escapes to heap$" + defer f(new(int), new(int)) // ERROR "... argument escapes to heap$" "new\(int\) escapes to heap$" + + defer f(nil...) + defer f([]*int{}...) // ERROR "\[\]\*int{} escapes to heap$" + defer f([]*int{new(int)}...) // ERROR "\[\]\*int{...} escapes to heap$" "new\(int\) escapes to heap$" + defer f([]*int{new(int), new(int)}...) // ERROR "\[\]\*int{...} escapes to heap$" "new\(int\) escapes to heap$" + + go f() + go f(new(int)) // ERROR "... argument escapes to heap$" "new\(int\) escapes to heap$" + go f(new(int), new(int)) // ERROR "... argument escapes to heap$" "new\(int\) escapes to heap$" + + go f(nil...) + go f([]*int{}...) // ERROR "\[\]\*int{} escapes to heap$" + go f([]*int{new(int)}...) // ERROR "\[\]\*int{...} escapes to heap$" "new\(int\) escapes to heap$" + go f([]*int{new(int), new(int)}...) // ERROR "\[\]\*int{...} escapes to heap$" "new\(int\) escapes to heap$" + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue31637.dir/a.go b/gcc/testsuite/go.test/test/fixedbugs/issue31637.dir/a.go new file mode 100644 index 00000000000..71f392697c4 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue31637.dir/a.go @@ -0,0 +1,15 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package a + +type dO struct { + x int +} + +type EDO struct{} + +func (EDO) Apply(*dO) {} + +var X EDO diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue31637.dir/b.go b/gcc/testsuite/go.test/test/fixedbugs/issue31637.dir/b.go new file mode 100644 index 00000000000..ce83b000df8 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue31637.dir/b.go @@ -0,0 +1,19 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import "./a" + +type No struct { + a.EDO +} + +func X() No { + return No{} +} + +func main() { + X() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue31637.go b/gcc/testsuite/go.test/test/fixedbugs/issue31637.go new file mode 100644 index 00000000000..dcfb4a7e53d --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue31637.go @@ -0,0 +1,11 @@ +// compiledir + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// This directory contains a pair of packages that triggered +// a compiler crash in gollvm (problem in handling an inlinable +// method with unnamed parameter). See issue 31637 for details. + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue31777.go b/gcc/testsuite/go.test/test/fixedbugs/issue31777.go new file mode 100644 index 00000000000..839e242c95c --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue31777.go @@ -0,0 +1,24 @@ +// compile + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Compile with static map literal. + +package p + +type i interface { + j() +} + +type s struct{} + +func (s) j() {} + +type foo map[string]i + +var f = foo{ + "1": s{}, + "2": s{}, +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue31782.go b/gcc/testsuite/go.test/test/fixedbugs/issue31782.go new file mode 100644 index 00000000000..a42001ea0ea --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue31782.go @@ -0,0 +1,24 @@ +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check static composite literal reports wrong for struct +// field. + +package main + +type one struct { + i interface{} +} + +type two struct { + i interface{} + s []string +} + +func main() { + o := one{i: two{i: 42}.i} + println(o.i.(int)) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue31782.out b/gcc/testsuite/go.test/test/fixedbugs/issue31782.out new file mode 100644 index 00000000000..d81cc0710eb --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue31782.out @@ -0,0 +1 @@ +42 diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue31987.go b/gcc/testsuite/go.test/test/fixedbugs/issue31987.go new file mode 100644 index 00000000000..372289b52d3 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue31987.go @@ -0,0 +1,22 @@ +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import "fmt" + +type container struct { + Value string +} + +func main() { + s := []container{ + 7: {Value: "string value"}, + } + if s[7].Value != "string value" { + panic(fmt.Errorf("wanted \"string value\", got \"%s\"", s[7].Value)) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue32175.go b/gcc/testsuite/go.test/test/fixedbugs/issue32175.go new file mode 100644 index 00000000000..a67735148e2 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue32175.go @@ -0,0 +1,22 @@ +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +// This used to print 0, because x was incorrectly captured by value. + +func f() (x int) { + defer func() func() { + return func() { + println(x) + } + }()() + return 42 +} + +func main() { + f() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue32175.out b/gcc/testsuite/go.test/test/fixedbugs/issue32175.out new file mode 100644 index 00000000000..d81cc0710eb --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue32175.out @@ -0,0 +1 @@ +42 diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue32288.go b/gcc/testsuite/go.test/test/fixedbugs/issue32288.go new file mode 100644 index 00000000000..91c930c0b50 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue32288.go @@ -0,0 +1,48 @@ +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +type T struct { + s [1]string + pad [16]uintptr +} + +//go:noinline +func f(t *int, p *int) []T { + var res []T + for { + var e *T + res = append(res, *e) + } +} + +func main() { + defer func() { + useStack(100) // force a stack copy + // We're expecting a panic. + // The bug in this issue causes a throw, which this recover() will not squash. + recover() + }() + junk() // fill the stack with invalid pointers + f(nil, nil) +} + +func useStack(n int) { + if n == 0 { + return + } + useStack(n - 1) +} + +//go:noinline +func junk() uintptr { + var a [128]uintptr // 1k of bad pointers on the stack + for i := range a { + a[i] = 0xaa + } + return a[12] +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue32347.go b/gcc/testsuite/go.test/test/fixedbugs/issue32347.go new file mode 100644 index 00000000000..91c038a588f --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue32347.go @@ -0,0 +1,18 @@ +// compile + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 32347: gccgo compiler crashes with int-to-string conversion +// with large integer constant operand. + +package p + +const ( + X1 = string(128049) + X2 = string(-1) + X3 = string(1<<48) +) + +var S1, S2, S3 = X1, X2, X3 diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue32454.go b/gcc/testsuite/go.test/test/fixedbugs/issue32454.go new file mode 100644 index 00000000000..70895c97fa4 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue32454.go @@ -0,0 +1,23 @@ +// compile + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +type T struct { + s string + f float64 +} + +func f() { + var f float64 + var st T + for { + switch &st.f { + case &f: + f = 1 + } + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue32560.go b/gcc/testsuite/go.test/test/fixedbugs/issue32560.go new file mode 100644 index 00000000000..c6f72b6b550 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue32560.go @@ -0,0 +1,51 @@ +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Values smaller than 64-bits were mistakenly always proven to be +// non-negative. +// +// The tests here are marked go:noinline to ensure they're +// independently optimized by SSA. + +package main + +var x int32 = -1 + +//go:noinline +func a() { + if x != -1 { + panic(1) + } + if x > 0 || x != -1 { + panic(2) + } +} + +//go:noinline +func b() { + if x != -1 { + panic(3) + } + if x > 0 { + panic(4) + } +} + +//go:noinline +func c() { + if x > 0 || x != -1 { + panic(5) + } + if x > 0 || x != -1 { + panic(6) + } +} + +func main() { + a() + b() + c() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue32595.dir/a.go b/gcc/testsuite/go.test/test/fixedbugs/issue32595.dir/a.go new file mode 100644 index 00000000000..8342dd5cbcf --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue32595.dir/a.go @@ -0,0 +1,9 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package a + +func A() { + defer func() {}() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue32595.dir/b.go b/gcc/testsuite/go.test/test/fixedbugs/issue32595.dir/b.go new file mode 100644 index 00000000000..9a13a575a87 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue32595.dir/b.go @@ -0,0 +1,15 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package b + +import "reflect" + +func B() { + t1 := reflect.TypeOf([0]byte{}) + t2 := reflect.TypeOf(new([0]byte)).Elem() + if t1 != t2 { + panic("[0]byte types do not match") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue32595.dir/main.go b/gcc/testsuite/go.test/test/fixedbugs/issue32595.dir/main.go new file mode 100644 index 00000000000..20472cd72a4 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue32595.dir/main.go @@ -0,0 +1,15 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "a" + "b" +) + +func main() { + a.A() + b.B() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue32595.go b/gcc/testsuite/go.test/test/fixedbugs/issue32595.go new file mode 100644 index 00000000000..af6f1341729 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue32595.go @@ -0,0 +1,7 @@ +// rundir + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue32680.go b/gcc/testsuite/go.test/test/fixedbugs/issue32680.go new file mode 100644 index 00000000000..27cba6bf787 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue32680.go @@ -0,0 +1,23 @@ +// run -gcflags=-d=ssa/check/on + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// As of 2019-06, bug affects/ed amd64 and s390x. + +package main + +var foo = []byte{105, 57, 172, 152} + +func main() { + for i := 0; i < len(foo); i += 4 { + // Requires inlining and non-constant i + // Note the bug/fix also apply to different widths, but was unable to reproduce for those. + println(readLittleEndian32_2(foo[i], foo[i+1], foo[i+2], foo[i+3])) + } +} + +func readLittleEndian32_2(a, b, c, d byte) uint32 { + return uint32(a) | (uint32(b) << 8) | (uint32(c) << 16) | (uint32(d) << 24) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue32680.out b/gcc/testsuite/go.test/test/fixedbugs/issue32680.out new file mode 100644 index 00000000000..4d60a97392c --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue32680.out @@ -0,0 +1 @@ +2561423721 diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue32680b.go b/gcc/testsuite/go.test/test/fixedbugs/issue32680b.go new file mode 100644 index 00000000000..61e531701ab --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue32680b.go @@ -0,0 +1,16 @@ +// compile + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +func hashBytesRaw(b0, b1, b2, b3, b7 byte) uint64 { + return (uint64(b0) | uint64(b1)<<8 | uint64(b2)<<16 | uint64(b3)<<24) +} + +func doStuff(data []byte) uint64 { + return hashBytesRaw(data[0], data[1], data[2], data[3], data[7]) + +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue32723.go b/gcc/testsuite/go.test/test/fixedbugs/issue32723.go new file mode 100644 index 00000000000..850334d7024 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue32723.go @@ -0,0 +1,22 @@ +// errorcheck + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Complex literal comparison + +package p + +const x = 1i +const y = 1i < 2i // ERROR "invalid operation: .*not defined on untyped complex|non-ordered type" +const z = x < 2i // ERROR "invalid operation: .*not defined on untyped complex|non-ordered type" + +func f() { + _ = 1i < 2i // ERROR "invalid operation: .*not defined on untyped complex|non-ordered type" + _ = 1i < 2 // ERROR "invalid operation: .*not defined on untyped complex|non-ordered type" + _ = 1 < 2i // ERROR "invalid operation: .*not defined on untyped complex|non-ordered type" + + c := 1i + _ = c < 2i // ERROR "invalid operation: .*not defined on complex128|non-ordered type" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue32778.dir/a.go b/gcc/testsuite/go.test/test/fixedbugs/issue32778.dir/a.go new file mode 100644 index 00000000000..1e6ac012334 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue32778.dir/a.go @@ -0,0 +1,18 @@ +// Copyright 2019 The Go Authors. All rights reserved. Use of this +// source code is governed by a BSD-style license that can be found in +// the LICENSE file. + +package a + +import "strings" + +type Name string + +type FullName string + +func (n FullName) Name() Name { + if i := strings.LastIndexByte(string(n), '.'); i >= 0 { + return Name(n[i+1:]) + } + return Name(n) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue32778.dir/b.go b/gcc/testsuite/go.test/test/fixedbugs/issue32778.dir/b.go new file mode 100644 index 00000000000..a0ee398d268 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue32778.dir/b.go @@ -0,0 +1,11 @@ +// Copyright 2019 The Go Authors. All rights reserved. Use of this +// source code is governed by a BSD-style license that can be found in +// the LICENSE file. + +package b + +import "./a" + +func Expo(fn a.FullName) a.Name { + return fn.Name() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue32778.go b/gcc/testsuite/go.test/test/fixedbugs/issue32778.go new file mode 100644 index 00000000000..83456d4a999 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue32778.go @@ -0,0 +1,11 @@ +// compiledir + +// Copyright 2019 The Go Authors. All rights reserved. Use of this +// source code is governed by a BSD-style license that can be found in +// the LICENSE file. + +// This directory contains a pair of packages that triggers a compiler +// crash in gccgo (problem with tracking indirectly referenced +// packages during exporting). See issue 32778 for details. + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue32959.go b/gcc/testsuite/go.test/test/fixedbugs/issue32959.go new file mode 100644 index 00000000000..a0dc789a043 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue32959.go @@ -0,0 +1,17 @@ +// compile + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Test escape analysis with shifting constant + +package main + +import "unsafe" + +func main() { + var l uint64 + var p unsafe.Pointer + _ = unsafe.Pointer(uintptr(p) + (uintptr(l) >> 1)) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue33020a.dir/a.go b/gcc/testsuite/go.test/test/fixedbugs/issue33020a.dir/a.go new file mode 100644 index 00000000000..91764982dc4 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue33020a.dir/a.go @@ -0,0 +1,13 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package a + +type FArg func(args []string) error + +type Command struct { + Name string + Arg1 FArg + Arg2 func(args []string) error +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue33020a.dir/b.go b/gcc/testsuite/go.test/test/fixedbugs/issue33020a.dir/b.go new file mode 100644 index 00000000000..5b0f9d86d72 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue33020a.dir/b.go @@ -0,0 +1,14 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import "./a" + +var Cmd = &a.Command{ + Name: "test", +} + +func main() { +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue33020a.go b/gcc/testsuite/go.test/test/fixedbugs/issue33020a.go new file mode 100644 index 00000000000..cfe010e92f1 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue33020a.go @@ -0,0 +1,9 @@ +// compiledir + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 33020: gollvm assert in Llvm_backend::materializeComposite + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue33275.go b/gcc/testsuite/go.test/test/fixedbugs/issue33275.go new file mode 100644 index 00000000000..f2ec24dbc28 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue33275.go @@ -0,0 +1,34 @@ +// skip + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "fmt" + "time" +) + +func main() { + // Make a big map. + m := map[int]int{} + for i := 0; i < 100000; i++ { + m[i] = i + } + c := make(chan string) + go func() { + // Print the map. + s := fmt.Sprintln(m) + c <- s + }() + go func() { + time.Sleep(1 * time.Millisecond) + // Add an extra item to the map while iterating. + m[-1] = -1 + c <- "" + }() + <-c + <-c +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue33275_run.go b/gcc/testsuite/go.test/test/fixedbugs/issue33275_run.go new file mode 100644 index 00000000000..f3e2e14f392 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue33275_run.go @@ -0,0 +1,25 @@ +// +build !nacl,!js +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Make sure we don't get an index out of bounds error +// while trying to print a map that is concurrently modified. +// The runtime might complain (throw) if it detects the modification, +// so we have to run the test as a subprocess. + +package main + +import ( + "os/exec" + "strings" +) + +func main() { + out, _ := exec.Command("go", "run", "fixedbugs/issue33275.go").CombinedOutput() + if strings.Contains(string(out), "index out of range") { + panic(`go run issue33275.go reported "index out of range"`) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue33308.go b/gcc/testsuite/go.test/test/fixedbugs/issue33308.go new file mode 100644 index 00000000000..5821099e3d3 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue33308.go @@ -0,0 +1,12 @@ +// errorcheck + +// Copyright 2020 The Go Authors. All rights reserved. Use of this +// source code is governed by a BSD-style license that can be found in +// the LICENSE file. + +// Test that the compiler does not crash on a []byte conversion of an +// untyped expression. +package p + +var v uint +var x = []byte((1 << v) + 1) // ERROR "cannot convert|non-integer type for left operand of shift" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue33355.go b/gcc/testsuite/go.test/test/fixedbugs/issue33355.go new file mode 100644 index 00000000000..c4b1e2e1a23 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue33355.go @@ -0,0 +1,147 @@ +// compile + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// This code failed on arm64 in the register allocator. +// See issue 33355. + +package server + +import ( + "bytes" + "sync" +) + +type client struct { + junk [4]int + mu sync.Mutex + srv *Server + gw *gateway + msgb [100]byte +} + +type gateway struct { + cfg *gatewayCfg + outsim *sync.Map +} + +type gatewayCfg struct { + replyPfx []byte +} + +type Account struct { + Name string +} + +type Server struct { + gateway *srvGateway +} + +type srvGateway struct { + outo []*client +} + +type subscription struct { + queue []byte + client *client +} + +type outsie struct { + ni map[string]struct{} + sl *Sublist + qsubs int +} + +type Sublist struct { +} + +type SublistResult struct { + psubs []*subscription + qsubs [][]*subscription +} + +var subPool = &sync.Pool{} + +func (c *client) sendMsgToGateways(acc *Account, msg, subject, reply []byte, qgroups [][]byte) { + var gws []*client + gw := c.srv.gateway + for i := 0; i < len(gw.outo); i++ { + gws = append(gws, gw.outo[i]) + } + var ( + subj = string(subject) + queuesa = [512]byte{} + queues = queuesa[:0] + mreply []byte + dstPfx []byte + checkReply = len(reply) > 0 + ) + + sub := subPool.Get().(*subscription) + + if subjectStartsWithGatewayReplyPrefix(subject) { + dstPfx = subject[:8] + } + for i := 0; i < len(gws); i++ { + gwc := gws[i] + if dstPfx != nil { + gwc.mu.Lock() + ok := bytes.Equal(dstPfx, gwc.gw.cfg.replyPfx) + gwc.mu.Unlock() + if !ok { + continue + } + } else { + qr := gwc.gatewayInterest(acc.Name, subj) + queues = queuesa[:0] + for i := 0; i < len(qr.qsubs); i++ { + qsubs := qr.qsubs[i] + queue := qsubs[0].queue + add := true + for _, qn := range qgroups { + if bytes.Equal(queue, qn) { + add = false + break + } + } + if add { + qgroups = append(qgroups, queue) + } + } + if len(queues) == 0 { + continue + } + } + if checkReply { + checkReply = false + mreply = reply + } + mh := c.msgb[:10] + mh = append(mh, subject...) + if len(queues) > 0 { + mh = append(mh, mreply...) + mh = append(mh, queues...) + } + sub.client = gwc + } + subPool.Put(sub) +} + +func subjectStartsWithGatewayReplyPrefix(subj []byte) bool { + return len(subj) > 8 && string(subj[:4]) == "foob" +} + +func (c *client) gatewayInterest(acc, subj string) *SublistResult { + ei, _ := c.gw.outsim.Load(acc) + var r *SublistResult + e := ei.(*outsie) + r = e.sl.Match(subj) + return r +} + +func (s *Sublist) Match(subject string) *SublistResult { + return nil +} + diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue33386.go b/gcc/testsuite/go.test/test/fixedbugs/issue33386.go new file mode 100644 index 00000000000..7b2f565285e --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue33386.go @@ -0,0 +1,29 @@ +// errorcheck + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Verify that we don't get spurious follow-on errors +// after a missing expression. Specifically, the parser +// shouldn't skip over closing parentheses of any kind. + +package p + +func _() { + go func() { // no error here about goroutine + send <- // GCCGO_ERROR "undefined name" + }() // ERROR "expecting expression|expected operand" +} + +func _() { + defer func() { // no error here about deferred function + 1 + // GCCGO_ERROR "value computed is not used" + }() // ERROR "expecting expression|expected operand" +} + +func _() { + _ = (1 +) // ERROR "expecting expression|expected operand" + _ = a[2 +] // ERROR "expecting expression|expected operand|undefined name" + _ = []int{1, 2, 3 + } // ERROR "expecting expression|expected operand" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue33438.go b/gcc/testsuite/go.test/test/fixedbugs/issue33438.go new file mode 100644 index 00000000000..e4206d7bcfd --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue33438.go @@ -0,0 +1,19 @@ +// compile + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +type hasPtrs struct { + x [2]*int + // Note: array size needs to be >1 to force this type to be not SSAable. + // The bug triggers only for OpMove, which is only used for unSSAable types. +} + +func main() { + var x *hasPtrs // Can be local, global, or arg; nil or non-nil. + var y *hasPtrs = nil // Must initialize to nil. + *x = *y +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue33460.go b/gcc/testsuite/go.test/test/fixedbugs/issue33460.go new file mode 100644 index 00000000000..d90b0a43489 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue33460.go @@ -0,0 +1,37 @@ +// errorcheck + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +const ( + zero = iota + one + two + three +) + +const iii int = 0x3 + +func f(v int) { + switch v { + case zero, one: + case two, one: // ERROR "previous case at LINE-1|duplicate case in switch" + + case three: + case 3: // ERROR "previous case at LINE-1|duplicate case in switch" + case iii: // ERROR "previous case at LINE-2|duplicate case in switch" + } +} + +const b = "b" + +var _ = map[string]int{ + "a": 0, + b: 1, + "a": 2, // ERROR "previous key at LINE-2|duplicate key in map literal" + "b": 3, // GC_ERROR "previous key at LINE-2" + "b": 4, // GC_ERROR "previous key at LINE-3" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue33555.go b/gcc/testsuite/go.test/test/fixedbugs/issue33555.go new file mode 100644 index 00000000000..7debd2049cd --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue33555.go @@ -0,0 +1,81 @@ +// +build !nacl,!js +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Test that the linker permits long call sequences. +package main + +import ( + "bytes" + "fmt" + "io/ioutil" + "os" + "os/exec" + "path/filepath" + "strconv" +) + +const start = ` +package main + +func main() { + println(f0() + 1) +} +` + +const fn = ` +//go:noinline +func f%d() int { + return f%d() + 1 +}` + +const fnlast = ` +//go:noinline +func f%d() int { + return 0 +} +` + +const count = 400 + +func main() { + if err := test(); err != nil { + fmt.Fprintln(os.Stderr, err) + os.Exit(1) + } +} + +func test() error { + var buf bytes.Buffer + buf.WriteString(start) + for i := 0; i < count; i++ { + fmt.Fprintf(&buf, fn, i, i + 1) + } + fmt.Fprintf(&buf, fnlast, count) + + dir, err := ioutil.TempDir("", "issue33555") + if err != nil { + return err + } + defer os.RemoveAll(dir) + + fn := filepath.Join(dir, "x.go") + if err := ioutil.WriteFile(fn, buf.Bytes(), 0644); err != nil { + return err + } + + out, err := exec.Command("go", "run", fn).CombinedOutput() + if err != nil { + return err + } + + want := strconv.Itoa(count + 1) + if got := string(bytes.TrimSpace(out)); got != want { + return fmt.Errorf("got %q want %q", got, want) + } + + return nil +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue33724.go b/gcc/testsuite/go.test/test/fixedbugs/issue33724.go new file mode 100644 index 00000000000..a4ecddc0b32 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue33724.go @@ -0,0 +1,45 @@ +// run +package main + +import ( + "fmt" + "runtime/debug" + "strings" +) + +type Inner struct { + Err int +} + +func (i *Inner) NotExpectedInStackTrace() int { + if i == nil { + return 86 + } + return 17 + i.Err +} + +type Outer struct { + Inner +} + +func ExpectedInStackTrace() { + var o *Outer + println(o.NotExpectedInStackTrace()) +} + +func main() { + defer func() { + if r := recover(); r != nil { + stacktrace := string(debug.Stack()) + if strings.Contains(stacktrace, "NotExpectedInStackTrace") { + fmt.Println("FAIL, stacktrace contains NotExpectedInStackTrace") + } + if !strings.Contains(stacktrace, "ExpectedInStackTrace") { + fmt.Println("FAIL, stacktrace does not contain ExpectedInStackTrace") + } + } else { + fmt.Println("FAIL, should have panicked but did not") + } + }() + ExpectedInStackTrace() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue33866.dir/a.go b/gcc/testsuite/go.test/test/fixedbugs/issue33866.dir/a.go new file mode 100644 index 00000000000..9c782c5eedf --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue33866.dir/a.go @@ -0,0 +1,18 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package a + +type Builder struct { + x int +} + +func (tb Builder) Build() (out struct { + x interface{} + s string +}) { + out.x = nil + out.s = "hello!" + return +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue33866.dir/b.go b/gcc/testsuite/go.test/test/fixedbugs/issue33866.dir/b.go new file mode 100644 index 00000000000..aa2a32271c7 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue33866.dir/b.go @@ -0,0 +1,15 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package b + +import "./a" + +type ( + ABuilder = a.Builder +) + +func Bfunc() ABuilder { + return ABuilder{} +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue33866.go b/gcc/testsuite/go.test/test/fixedbugs/issue33866.go new file mode 100644 index 00000000000..220c732a9a0 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue33866.go @@ -0,0 +1,9 @@ +// compiledir + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 33866: assert in gccgo during compilation + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue33903.go b/gcc/testsuite/go.test/test/fixedbugs/issue33903.go new file mode 100644 index 00000000000..de03282264f --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue33903.go @@ -0,0 +1,16 @@ +// compile + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check that the shortcircuit pass correctly handles infinite loops. + +package p + +func f() { + var p, q bool + for { + p = p && q + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue34123.go b/gcc/testsuite/go.test/test/fixedbugs/issue34123.go new file mode 100644 index 00000000000..f50cd02aacf --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue34123.go @@ -0,0 +1,43 @@ +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Make sure that the line number is reported correctly +// for faulting instructions. + +package main + +import ( + "fmt" + "runtime" +) + +var x byte +var p *byte + +//go:noinline +func f() { + q := p + x = 11 // line 23 + *q = 12 // line 24 +} +func main() { + defer func() { + recover() + var pcs [10]uintptr + n := runtime.Callers(1, pcs[:]) + frames := runtime.CallersFrames(pcs[:n]) + for { + f, more := frames.Next() + if f.Function == "main.f" && f.Line != 24 { + panic(fmt.Errorf("expected line 24, got line %d", f.Line)) + } + if !more { + break + } + } + }() + f() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue34395.go b/gcc/testsuite/go.test/test/fixedbugs/issue34395.go new file mode 100644 index 00000000000..eb5a8558e18 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue34395.go @@ -0,0 +1,17 @@ +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Test that a binary with a large data section can load. This failed on wasm. + +package main + +var test = [100 * 1024 * 1024]byte{42} + +func main() { + if test[0] != 42 { + panic("bad") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue34520.go b/gcc/testsuite/go.test/test/fixedbugs/issue34520.go new file mode 100644 index 00000000000..d92d4ccbc52 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue34520.go @@ -0,0 +1,12 @@ +// compile + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +func f() { + for true { + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue34968.go b/gcc/testsuite/go.test/test/fixedbugs/issue34968.go new file mode 100644 index 00000000000..6b1dbd16edd --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue34968.go @@ -0,0 +1,15 @@ +// +build cgo +// run -gcflags=all=-d=checkptr + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +// #include +import "C" + +func main() { + C.malloc(100) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue35027.go b/gcc/testsuite/go.test/test/fixedbugs/issue35027.go new file mode 100644 index 00000000000..d4b0be52c10 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue35027.go @@ -0,0 +1,23 @@ +// run -gcflags=-d=checkptr + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "reflect" + "unsafe" +) + +var s []int + +func main() { + s = []int{42} + h := (*reflect.SliceHeader)(unsafe.Pointer(&s)) + x := *(*int)(unsafe.Pointer(h.Data)) + if x != 42 { + panic(x) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue35073.go b/gcc/testsuite/go.test/test/fixedbugs/issue35073.go new file mode 100644 index 00000000000..dc8ce3a9875 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue35073.go @@ -0,0 +1,23 @@ +// run -gcflags=-d=checkptr + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Test that reflect.Value.UnsafeAddr/Pointer is handled +// correctly by -d=checkptr + +package main + +import ( + "reflect" + "unsafe" +) + +func main() { + n := 10 + m := make(map[string]string) + + _ = unsafe.Pointer(reflect.ValueOf(&n).Elem().UnsafeAddr()) + _ = unsafe.Pointer(reflect.ValueOf(&m).Elem().Pointer()) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue35157.go b/gcc/testsuite/go.test/test/fixedbugs/issue35157.go new file mode 100644 index 00000000000..c9c4899e0c8 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue35157.go @@ -0,0 +1,20 @@ +// compile + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +func f() { + var i int + var b *bool + var s0, s1, s2 string + + if *b { + s2 = s2[:1] + i = 1 + } + s1 = s1[i:-i+i] + s1[-i+i:i+2] + s1 = s0[i:-i] +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue35291.go b/gcc/testsuite/go.test/test/fixedbugs/issue35291.go new file mode 100644 index 00000000000..5d8381c244e --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue35291.go @@ -0,0 +1,14 @@ +// errorcheck + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check error message for duplicated index in slice literal + +package p + +var s = []string{ + 1: "dup", + 1: "dup", // ERROR "duplicate index in slice literal: 1|duplicate value for index 1" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue35576.go b/gcc/testsuite/go.test/test/fixedbugs/issue35576.go new file mode 100644 index 00000000000..8228555c9ac --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue35576.go @@ -0,0 +1,16 @@ +// run + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check print/println(f()) is allowed where f() is multi-value. + +package main + +func f() (int16, float64, string) { return -42, 42.0, "x" } + +func main() { + print(f()) + println(f()) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue35576.out b/gcc/testsuite/go.test/test/fixedbugs/issue35576.out new file mode 100644 index 00000000000..2aefe3edc5a --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue35576.out @@ -0,0 +1 @@ +-42+4.200000e+001x-42 +4.200000e+001 x diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue35586.dir/a.go b/gcc/testsuite/go.test/test/fixedbugs/issue35586.dir/a.go new file mode 100644 index 00000000000..f509b25473b --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue35586.dir/a.go @@ -0,0 +1,9 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package a + +func D(_ string, _ int) (uint64, string) { + return 101, "bad" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue35586.dir/b.go b/gcc/testsuite/go.test/test/fixedbugs/issue35586.dir/b.go new file mode 100644 index 00000000000..e8b674fe30a --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue35586.dir/b.go @@ -0,0 +1,11 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package b + +import "a" + +func F(addr string) (uint64, string) { + return a.D(addr, 32) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue35586.go b/gcc/testsuite/go.test/test/fixedbugs/issue35586.go new file mode 100644 index 00000000000..0d522b17142 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue35586.go @@ -0,0 +1,11 @@ +// compiledir + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 35586: gollvm compiler crash building docker-ce; the problem +// involves inlining a function that has multiple no-name ("_") parameters. +// + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue35652.go b/gcc/testsuite/go.test/test/fixedbugs/issue35652.go new file mode 100644 index 00000000000..178a84d0f8b --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue35652.go @@ -0,0 +1,28 @@ +// compile + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +func e() { + for true { + if true { + continue + } + } +} + +func g() {} + +func f() { + i := 0 + if true { + i++ + } + for true { + continue + g() + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue36085.dir/a.go b/gcc/testsuite/go.test/test/fixedbugs/issue36085.dir/a.go new file mode 100644 index 00000000000..07cabcd2cce --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue36085.dir/a.go @@ -0,0 +1,3 @@ +package a + +type W = map[int32]interface{} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue36085.dir/b.go b/gcc/testsuite/go.test/test/fixedbugs/issue36085.dir/b.go new file mode 100644 index 00000000000..c5ee26970a7 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue36085.dir/b.go @@ -0,0 +1,8 @@ +package main + +import "a" + +var w a.W +var X interface{} = &w + +func main() {} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue36085.go b/gcc/testsuite/go.test/test/fixedbugs/issue36085.go new file mode 100644 index 00000000000..69d4490fd5a --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue36085.go @@ -0,0 +1,11 @@ +// compiledir + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 36085: gccgo compiler did not generate type descriptor +// for pointer to type alias defined in another package, causing +// linking error. + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue36259.go b/gcc/testsuite/go.test/test/fixedbugs/issue36259.go new file mode 100644 index 00000000000..246eb3527ef --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue36259.go @@ -0,0 +1,28 @@ +// compile + +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func rotate(s []int, m int) { + l := len(s) + m = m % l + buf := make([]int, m) + + copy(buf, s) + copy(s, s[m:]) + copy(s[l-m:], buf) +} + +func main() { + a0 := [...]int{1,2,3,4,5} + println(a0[0]) + + rotate(a0[:], 1) + println(a0[0]) + + rotate(a0[:], -3) + println(a0[0]) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue36437.go b/gcc/testsuite/go.test/test/fixedbugs/issue36437.go new file mode 100644 index 00000000000..f96544beff8 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue36437.go @@ -0,0 +1,49 @@ +// run + +// +build !nacl,!js + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Tests that when non-existent files are passed to the +// compiler, such as in: +// go tool compile foo +// we don't print the beginning position: +// foo:0: open foo: no such file or directory +// but instead omit it and print out: +// open foo: no such file or directory + +package main + +import ( + "fmt" + "io/ioutil" + "os" + "os/exec" + "regexp" +) + +func main() { + tmpDir, err := ioutil.TempDir("", "issue36437") + if err != nil { + panic(err) + } + defer os.RemoveAll(tmpDir) + + msgOrErr := func(msg []byte, err error) string { + if len(msg) == 0 && err != nil { + return err.Error() + } + return string(msg) + } + + filename := "non-existent.go" + output, err := exec.Command("go", "tool", "compile", filename).CombinedOutput() + got := msgOrErr(output, err) + + regFilenamePos := regexp.MustCompile(filename + ":\\d+") + if regFilenamePos.MatchString(got) { + fmt.Printf("Error message must not contain filename:pos, but got:\n%q\n", got) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue36516.go b/gcc/testsuite/go.test/test/fixedbugs/issue36516.go new file mode 100644 index 00000000000..d4e28b636d5 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue36516.go @@ -0,0 +1,27 @@ +// +build cgo,linux,amd64 +// run -race + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "fmt" + "testing" + "unsafe" +) + +var buf [2]byte +var x unsafe.Pointer = unsafe.Pointer(&buf[0]) + +func main() { + n := testing.AllocsPerRun(1000, func() { + x = unsafe.Pointer(uintptr(x) + 1) + x = unsafe.Pointer(uintptr(x) - 1) + }) + if n > 0 { + panic(fmt.Sprintf("too many allocations; want 0 got %f", n)) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue36705.go b/gcc/testsuite/go.test/test/fixedbugs/issue36705.go new file mode 100644 index 00000000000..83e41368452 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue36705.go @@ -0,0 +1,27 @@ +// +build cgo +// run + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +// #include +// #include +import "C" + +import "os" + +func main() { + os.Setenv("FOO", "bar") + s := C.GoString(C.getenv(C.CString("FOO"))) + if s != "bar" { + panic("bad setenv, environment variable only has value \"" + s + "\"") + } + os.Unsetenv("FOO") + s = C.GoString(C.getenv(C.CString("FOO"))) + if s != "" { + panic("bad unsetenv, environment variable still has value \"" + s + "\"") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue37246.go b/gcc/testsuite/go.test/test/fixedbugs/issue37246.go new file mode 100644 index 00000000000..fe476daa39b --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue37246.go @@ -0,0 +1,23 @@ +// compile + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func main() { + var n, a, b int64 + for i := int64(2); i < 10; i++ { + for j := i; j < 10; j++ { + if ((n % (i * j)) == 0) && (j > 1 && (n/(i*j)) == 1) { + a, b = i, 0 + a = n / (i * j) + } + } + } + + if a != b && a != n { + println("yes") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue37716.go b/gcc/testsuite/go.test/test/fixedbugs/issue37716.go new file mode 100644 index 00000000000..42d66dff1bd --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue37716.go @@ -0,0 +1,32 @@ +// run + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import "reflect" + +// complicated enough to require a compile-generated hash function +type K struct { + a, b int32 // these get merged by the compiler into a single field, something typehash doesn't do + c float64 +} + +func main() { + k := K{a: 1, b: 2, c: 3} + + // Make a reflect map. + m := reflect.MakeMap(reflect.MapOf(reflect.TypeOf(K{}), reflect.TypeOf(true))) + m.SetMapIndex(reflect.ValueOf(k), reflect.ValueOf(true)) + + // The binary must not contain the type map[K]bool anywhere, or reflect.MapOf + // will use that type instead of making a new one. So use an equivalent named type. + type M map[K]bool + var x M + reflect.ValueOf(&x).Elem().Set(m) + if !x[k] { + panic("key not found") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue37753.go b/gcc/testsuite/go.test/test/fixedbugs/issue37753.go new file mode 100644 index 00000000000..ac311e37153 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue37753.go @@ -0,0 +1,18 @@ +// run + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +//go:noinline +func f(a, b uint) int { + return int(a-b) / 8 +} + +func main() { + if x := f(1, 2); x != 0 { + panic(x) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue37975.go b/gcc/testsuite/go.test/test/fixedbugs/issue37975.go new file mode 100644 index 00000000000..a4e8f1f14aa --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue37975.go @@ -0,0 +1,54 @@ +// run + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Make sure runtime.panicmakeslice* are called. + +package main + +import "strings" + +func main() { + // Test typechecking passes if len is valid + // but cap is out of range for len's type. + var x byte + _ = make([]int, x, 300) + + capOutOfRange := func() { + i := 2 + s := make([]int, i, 1) + s[0] = 1 + } + lenOutOfRange := func() { + i := -1 + s := make([]int, i, 3) + s[0] = 1 + } + + tests := []struct { + f func() + panicStr string + }{ + {capOutOfRange, "cap out of range"}, + {lenOutOfRange, "len out of range"}, + } + + for _, tc := range tests { + shouldPanic(tc.panicStr, tc.f) + } + +} + +func shouldPanic(str string, f func()) { + defer func() { + err := recover() + runtimeErr := err.(error).Error() + if !strings.Contains(runtimeErr, str) { + panic("got panic " + runtimeErr + ", want " + str) + } + }() + + f() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue38093.go b/gcc/testsuite/go.test/test/fixedbugs/issue38093.go new file mode 100644 index 00000000000..db92664a49c --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue38093.go @@ -0,0 +1,49 @@ +// +build js +// run + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Test race condition between timers and wasm calls that led to memory corruption. + +package main + +import ( + "os" + "syscall/js" + "time" +) + +func main() { + ch1 := make(chan struct{}) + + go func() { + for { + time.Sleep(5 * time.Millisecond) + ch1 <- struct{}{} + } + }() + go func() { + for { + time.Sleep(8 * time.Millisecond) + ch1 <- struct{}{} + } + }() + go func() { + time.Sleep(2 * time.Second) + os.Exit(0) + }() + + for range ch1 { + ch2 := make(chan struct{}, 1) + f := js.FuncOf(func(this js.Value, args []js.Value) interface{} { + ch2 <- struct{}{} + return nil + }) + defer f.Release() + fn := js.Global().Get("Function").New("cb", "cb();") + fn.Invoke(f) + <-ch2 + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue38117.go b/gcc/testsuite/go.test/test/fixedbugs/issue38117.go new file mode 100644 index 00000000000..11edef7f253 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue38117.go @@ -0,0 +1,17 @@ +// errorcheck + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// cmd/compile erroneously rejected conversions of constant values +// between int/float and complex types. + +package p + +const ( + _ = int(complex64(int(0))) + _ = float64(complex128(float64(0))) + + _ = int8(complex128(1000)) // ERROR "overflow" +) diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue38356.go b/gcc/testsuite/go.test/test/fixedbugs/issue38356.go new file mode 100644 index 00000000000..a1c7f4675a2 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue38356.go @@ -0,0 +1,54 @@ +// compile + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Make sure floating point operations that generate flags +// are scheduled correctly on s390x. + +package p + +func f1(x, y float64, z int) float64 { + a := x + y // generate flags + if z == 0 { // create basic block that does not clobber flags + return a + } + if a > 0 { // use flags in different basic block + return y + } + return x +} + +func f2(x, y float64, z int) float64 { + a := x - y // generate flags + if z == 0 { // create basic block that does not clobber flags + return a + } + if a > 0 { // use flags in different basic block + return y + } + return x +} + +func f3(x, y float32, z int) float32 { + a := x + y // generate flags + if z == 0 { // create basic block that does not clobber flags + return a + } + if a > 0 { // use flags in different basic block + return y + } + return x +} + +func f4(x, y float32, z int) float32 { + a := x - y // generate flags + if z == 0 { // create basic block that does not clobber flags + return a + } + if a > 0 { // use flags in different basic block + return y + } + return x +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue38359.go b/gcc/testsuite/go.test/test/fixedbugs/issue38359.go new file mode 100644 index 00000000000..a7550c7b2cc --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue38359.go @@ -0,0 +1,19 @@ +// compile + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Make sure NaN-NaN compiles correctly. + +package p + +func f() { + var st struct { + f float64 + _, _ string + } + + f := 1e308 + st.f = 2*f - 2*f +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue38690.go b/gcc/testsuite/go.test/test/fixedbugs/issue38690.go new file mode 100644 index 00000000000..af8688d12fb --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue38690.go @@ -0,0 +1,65 @@ +// compile + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Make sure that literal value can be passed to struct +// blank field of array/struct type, see issue #38690. + +package main + +type A1 = [0]int +type A2 = [1]int + +type S1 struct{} + +type S2 struct { + x int +} + +type S3 = struct{} + +type S4 = struct{ x int } + +type S struct { + x int + _ [0]int + _ [1]int + _ A1 + _ A2 + _ S1 + _ S2 + _ S3 + _ S4 + _ [1]S4 +} + +var s = S{1, [0]int{}, [1]int{1}, A1{}, A2{1}, S1{}, S2{1}, S3{}, S4{1}, [1]S4{}} + +func main() { + f1() + mustPanic(f2) + mustPanic(f3) +} + +func f1() { + _ = S{1, [0]int{}, [1]int{1}, A1{}, A2{1}, S1{}, S2{1}, S3{}, S4{1}, [1]S4{}} +} + +func f2() { + _ = S{1, [0]int{}, [1]int{1}, A1{}, A2{1}, S1{}, S2{1}, S3{}, func() S4 { panic("") }(), [1]S4{}} +} + +func f3() { + _ = S{1, [0]int{}, [1]int{1}, A1{}, A2{1}, S1{}, S2{1}, S3{}, S4{1}, func() [1]S4 { panic("") }()} +} + +func mustPanic(f func()) { + defer func() { + if recover() == nil { + panic("expected panic, got nil") + } + }() + f() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue38745.go b/gcc/testsuite/go.test/test/fixedbugs/issue38745.go new file mode 100644 index 00000000000..7d4283b8453 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue38745.go @@ -0,0 +1,18 @@ +// errorcheck + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +type t struct{ x int } + +func f1() { + t{}.M() // ERROR "t{}.M undefined \(type t has no field or method M\)|undefined field or method .*M" + t{x: 1}.M() // ERROR "t{...}.M undefined \(type t has no field or method M\)|undefined field or method .*M" +} + +func f2() (*t, error) { + return t{}.M() // ERROR "t{}.M undefined \(type t has no field or method M\)|undefined field or method .*M|not enough arguments" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue38746.go b/gcc/testsuite/go.test/test/fixedbugs/issue38746.go new file mode 100644 index 00000000000..c670349ed4a --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue38746.go @@ -0,0 +1,17 @@ +// compile + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +var g *uint64 + +func main() { + var v uint64 + g = &v + v &^= (1 << 31) + v |= 1 << 63 + v &^= (1 << 63) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue38905.go b/gcc/testsuite/go.test/test/fixedbugs/issue38905.go new file mode 100644 index 00000000000..6f411b86055 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue38905.go @@ -0,0 +1,18 @@ +// compile + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Make sure that literal value can be passed to struct +// blank field with expressions where candiscard(value) +// returns false, see #38905. + +package p + +type t struct{ _ u } +type u [10]struct{ f int } + +func f(x int) t { return t{u{{1 / x}, {1 % x}}} } +func g(p *int) t { return t{u{{*p}}} } +func h(s []int) t { return t{u{{s[0]}}} } diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue38916.go b/gcc/testsuite/go.test/test/fixedbugs/issue38916.go new file mode 100644 index 00000000000..fb2ee3459d5 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue38916.go @@ -0,0 +1,14 @@ +// compile + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +func f(b bool, c complex128) func(complex128) complex128 { + return func(p complex128) complex128 { + b = (p+1i == 0) && b + return (p + 2i) * (p + 3i - c) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue39292.go b/gcc/testsuite/go.test/test/fixedbugs/issue39292.go new file mode 100644 index 00000000000..7dac2e5fc6b --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue39292.go @@ -0,0 +1,29 @@ +// errorcheck -0 -m -l + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +type t [20000]*int + +func (t) f() { +} + +func x() { + x := t{}.f // ERROR "t{}.f escapes to heap" + x() +} + +func y() { + var i int // ERROR "moved to heap: i" + y := (&t{&i}).f // ERROR "\(&t{...}\).f escapes to heap" "&t{...} escapes to heap" + y() +} + +func z() { + var i int // ERROR "moved to heap: i" + z := t{&i}.f // ERROR "t{...}.f escapes to heap" + z() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue39459.go b/gcc/testsuite/go.test/test/fixedbugs/issue39459.go new file mode 100644 index 00000000000..de78a17ce28 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue39459.go @@ -0,0 +1,22 @@ +// compile + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +type T struct { // big enough to be an unSSAable type + a, b, c, d, e, f int +} + +func f(x interface{}, p *int) { + _ = *p // trigger nil check here, removing it from below + switch x := x.(type) { + case *T: + // Zero twice, so one of them will be removed by the deadstore pass + *x = T{} + *p = 0 // store op to prevent Zero ops from being optimized by the earlier opt pass rewrite rules + *x = T{} + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue39505.go b/gcc/testsuite/go.test/test/fixedbugs/issue39505.go new file mode 100644 index 00000000000..711b562867a --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue39505.go @@ -0,0 +1,31 @@ +// compile + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +func f() { + if len([]int{})-1 < len([]int{}) { + } + + var st struct { + i int + } + g := func() string { + return "" + } + h := func(string) string { + return g() + g() + } + s, i := "", 0 + + st.i = len(s) + i = len(h(s[i+0:i+1])) + len(s[len(s)+1:i+1]) + s = s[(len(s[i+1:len(s)+1])+1):len(h(""))+1] + (s[i+1 : len([]int{})+i]) + i = 1 + len([]int{len([]string{s[i+len([]int{}) : len(s)+i]})}) + + var ch chan int + ch <- len(h("")) - len(s) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue39505b.go b/gcc/testsuite/go.test/test/fixedbugs/issue39505b.go new file mode 100644 index 00000000000..ecf1ab64f41 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue39505b.go @@ -0,0 +1,183 @@ +// run + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func main() { + ff := []func(){lt_f1, lt_f2, lt_f3, lt_f4, lt_f5, lt_f6, lt_f7, lt_f8, lt_f9, + gt_f1, gt_f2, gt_f3, le_f1, le_f2, le_f3, ge_f1, ge_f2, ge_f3} + + for _, f := range ff { + f() + } +} + +func lt_f1() { + const c = 1 + var a = 0 + var v *int = &a + if *v-c < len([]int{}) { + } else { + panic("bad") + } +} + +func lt_f2() { + const c = 10 + var a = 0 + var v *int = &a + if *v+c < len([]int{}) { + panic("bad") + } +} + +func lt_f3() { + const c = -10 + var a = 0 + var v *int = &a + if *v|0xff+c < len([]int{}) { + panic("bad") + } +} + +func lt_f4() { + const c = 10 + var a = 0 + var v *int = &a + if *v|0x0f+c < len([]int{}) { + panic("bad") + } +} + +func lt_f5() { + const c int32 = 1 + var a int32 = 0 + var v *int32 = &a + if *v-c < int32(len([]int32{})) { + } else { + panic("bad") + } +} + +func lt_f6() { + const c int32 = 10 + var a int32 = 0 + var v *int32 = &a + if *v+c < int32(len([]int32{})) { + panic("bad") + } +} + +func lt_f7() { + const c int32 = -10 + var a int32 = 0 + var v *int32 = &a + if *v|0xff+c < int32(len([]int{})) { + panic("bad") + } +} + +func lt_f8() { + const c int32 = 10 + var a int32 = 0 + var v *int32 = &a + if *v|0x0f+c < int32(len([]int{})) { + panic("bad") + } +} + +func lt_f9() { + const c int32 = -10 + var a int32 = 0 + var v *int32 = &a + if *v|0x0a+c < int32(len([]int{})) { + panic("bad") + } +} + +func gt_f1() { + const c = 1 + var a = 0 + var v *int = &a + if len([]int{}) > *v-c { + } else { + panic("bad") + } +} + +func gt_f2() { + const c = 10 + var a = 0 + var v *int = &a + if len([]int{}) > *v|0x0f+c { + panic("bad") + } +} + +func gt_f3() { + const c int32 = 10 + var a int32 = 0 + var v *int32 = &a + if int32(len([]int{})) > *v|0x0f+c { + panic("bad") + } +} + +func le_f1() { + const c = -10 + var a = 0 + var v *int = &a + if *v|0xff+c <= len([]int{}) { + panic("bad") + } +} + +func le_f2() { + const c = 0xf + var a = 0 + var v *int = &a + if *v|0xf-c <= len([]int{}) { + } else { + panic("bad") + } +} + +func le_f3() { + const c int32 = -10 + var a int32 = 0 + var v *int32 = &a + if *v|0xff+c <= int32(len([]int{})) { + panic("bad") + } +} + +func ge_f1() { + const c = -10 + var a = 0 + var v *int = &a + if len([]int{}) >= *v|0xff+c { + panic("bad") + } +} + +func ge_f2() { + const c int32 = 10 + var a int32 = 0 + var v *int32 = &a + if int32(len([]int{})) >= *v|0x0f+c { + panic("bad") + } +} + +func ge_f3() { + const c = -10 + var a = 0 + var v *int = &a + if len([]int{}) >= *v|0x0a+c { + } else { + panic("bad") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue39541.go b/gcc/testsuite/go.test/test/fixedbugs/issue39541.go new file mode 100644 index 00000000000..fba52916ebe --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue39541.go @@ -0,0 +1,33 @@ +// run + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import "reflect" + +func sub(args []reflect.Value) []reflect.Value { + type A struct { + s int + t int + } + return []reflect.Value{reflect.ValueOf(A{1, 2})} +} + +func main() { + f := reflect.MakeFunc(reflect.TypeOf((func() interface{})(nil)), sub).Interface().(func() interface{}) + c := make(chan bool, 100) + for i := 0; i < 100; i++ { + go func() { + for j := 0; j < 10000; j++ { + f() + } + c <- true + }() + } + for i := 0; i < 100; i++ { + <-c + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue39651.go b/gcc/testsuite/go.test/test/fixedbugs/issue39651.go new file mode 100644 index 00000000000..256a34dcb34 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue39651.go @@ -0,0 +1,26 @@ +// run + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Test that float -> integer conversion doesn't clobber +// flags. + +package main + +//go:noinline +func f(x, y float64, a, b *bool, r *int64) { + *a = x < y // set flags + *r = int64(x) // clobber flags + *b = x == y // use flags +} + +func main() { + var a, b bool + var r int64 + f(1, 1, &a, &b, &r) + if a || !b { + panic("comparison incorrect") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue40367.go b/gcc/testsuite/go.test/test/fixedbugs/issue40367.go new file mode 100644 index 00000000000..0dc5ad71206 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue40367.go @@ -0,0 +1,41 @@ +// run + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func case1() { + rates := []int32{1,2,3,4,5,6} + var sink [6]int + j := len(sink) + for star, _ := range rates { + if star+1 < 1 { + panic("") + } + j-- + sink[j] = j + } +} + +func case2() { + i := 0 + var sink [3]int + j := len(sink) +top: + j-- + sink[j] = j + if i < 2 { + i++ + if i < 1 { + return + } + goto top + } +} + +func main() { + case1() + case2() +} \ No newline at end of file diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue40629.go b/gcc/testsuite/go.test/test/fixedbugs/issue40629.go new file mode 100644 index 00000000000..c6ef408f494 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue40629.go @@ -0,0 +1,69 @@ +// run + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import "fmt" + +const N = 40 + +func main() { + var x [N]int // stack-allocated memory + for i := range x { + x[i] = 0x999 + } + + // This defer checks to see if x is uncorrupted. + defer func(p *[N]int) { + recover() + for i := range p { + if p[i] != 0x999 { + for j := range p { + fmt.Printf("p[%d]=0x%x\n", j, p[j]) + } + panic("corrupted stack variable") + } + } + }(&x) + + // This defer starts a new goroutine, which will (hopefully) + // overwrite x on the garbage stack. + defer func() { + c := make(chan bool) + go func() { + useStack(1000) + c <- true + }() + <-c + + }() + + // This defer causes a stack copy. + // The old stack is now garbage. + defer func() { + useStack(1000) + }() + + // Trigger a segfault. + *g = 0 + + // Make the return statement unreachable. + // That makes the stack map at the deferreturn call empty. + // In particular, the argument to the first defer is not + // marked as a pointer, so it doesn't get adjusted + // during the stack copy. + for { + } +} + +var g *int64 + +func useStack(n int) { + if n == 0 { + return + } + useStack(n - 1) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue40746.go b/gcc/testsuite/go.test/test/fixedbugs/issue40746.go new file mode 100644 index 00000000000..235282fd90c --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue40746.go @@ -0,0 +1,19 @@ +// compile + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +func f(x byte, b bool) byte { + var c byte + if b { + c = 1 + } + + if int8(c) < 0 { + x++ + } + return x +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue40917.go b/gcc/testsuite/go.test/test/fixedbugs/issue40917.go new file mode 100644 index 00000000000..2128be5eca4 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue40917.go @@ -0,0 +1,23 @@ +// run -gcflags=-d=checkptr + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import "unsafe" + +func main() { + var x [2]uint64 + a := unsafe.Pointer(&x[1]) + + b := a + b = unsafe.Pointer(uintptr(b) + 2) + b = unsafe.Pointer(uintptr(b) - 1) + b = unsafe.Pointer(uintptr(b) &^ 1) + + if a != b { + panic("pointer arithmetic failed") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue40954.go b/gcc/testsuite/go.test/test/fixedbugs/issue40954.go new file mode 100644 index 00000000000..53e9ccf387e --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue40954.go @@ -0,0 +1,35 @@ +// run + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "unsafe" +) + +//go:notinheap +type S struct{ x int } + +func main() { + var i int + p := (*S)(unsafe.Pointer(uintptr(unsafe.Pointer(&i)))) + v := uintptr(unsafe.Pointer(p)) + // p is a pointer to a go:notinheap type. Like some C libraries, + // we stored an integer in that pointer. That integer just happens + // to be the address of i. + // v is also the address of i. + // p has a base type which is marked go:notinheap, so it + // should not be adjusted when the stack is copied. + recurse(100, p, v) +} +func recurse(n int, p *S, v uintptr) { + if n > 0 { + recurse(n-1, p, v) + } + if uintptr(unsafe.Pointer(p)) != v { + panic("adjusted notinheap pointer") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue41247.go b/gcc/testsuite/go.test/test/fixedbugs/issue41247.go new file mode 100644 index 00000000000..c5e495ba933 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue41247.go @@ -0,0 +1,11 @@ +// errorcheck + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +func f() [2]int { + return [...]int{2: 0} // ERROR "cannot use \[\.\.\.\]int{...} \(type \[3\]int\)|incompatible type" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue41440.go b/gcc/testsuite/go.test/test/fixedbugs/issue41440.go new file mode 100644 index 00000000000..0d911f0173a --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue41440.go @@ -0,0 +1,14 @@ +// errorcheck + +// Copyright 2020 The Go Authors. All rights reserved. Use of this +// source code is governed by a BSD-style license that can be found in +// the LICENSE file. + +package p + +func f(...int) {} + +func g() { + var x []int + f(x, x...) // ERROR "have \(\[\]int, \.\.\.int\)|too many arguments" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue41500.go b/gcc/testsuite/go.test/test/fixedbugs/issue41500.go new file mode 100644 index 00000000000..82dca34820a --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue41500.go @@ -0,0 +1,20 @@ +// errorcheck + +// Copyright 2020 The Go Authors. All rights reserved. Use of this +// source code is governed by a BSD-style license that can be found in +// the LICENSE file. + +package p + +type s struct { + slice []int +} + +func f() { + var x *s + + _ = x == nil || len(x.slice) // ERROR "invalid operation: .+ \(operator \|\| not defined on int\)|incompatible types" + _ = len(x.slice) || x == nil // ERROR "invalid operation: .+ \(operator \|\| not defined on int\)|incompatible types" + _ = x == nil && len(x.slice) // ERROR "invalid operation: .+ \(operator && not defined on int\)|incompatible types" + _ = len(x.slice) && x == nil // ERROR "invalid operation: .+ \(operator && not defined on int\)|incompatible types" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue41575.go b/gcc/testsuite/go.test/test/fixedbugs/issue41575.go new file mode 100644 index 00000000000..456873038fc --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue41575.go @@ -0,0 +1,36 @@ +// errorcheck + +// Copyright 2020 The Go Authors. All rights reserved. Use of this +// source code is governed by a BSD-style license that can be found in +// the LICENSE file. + +package p + +type T1 struct { // ERROR "invalid recursive type T1\n\tLINE: T1 refers to\n\tLINE+4: T2 refers to\n\tLINE: T1$|invalid recursive type" + f2 T2 +} + +type T2 struct { // GCCGO_ERROR "invalid recursive type" + f1 T1 +} + +type a b // GCCGO_ERROR "invalid recursive type" +type b c // ERROR "invalid recursive type b\n\tLINE: b refers to\n\tLINE+1: c refers to\n\tLINE: b$|invalid recursive type" +type c b // GCCGO_ERROR "invalid recursive type" + +type d e +type e f +type f f // ERROR "invalid recursive type f\n\tLINE: f refers to\n\tLINE: f$|invalid recursive type" + +type g struct { // ERROR "invalid recursive type g\n\tLINE: g refers to\n\tLINE: g$|invalid recursive type" + h struct { + g + } +} + +type w x +type x y // ERROR "invalid recursive type x\n\tLINE: x refers to\n\tLINE+1: y refers to\n\tLINE+2: z refers to\n\tLINE: x$|invalid recursive type" +type y struct{ z } // GCCGO_ERROR "invalid recursive type" +type z [10]x + +type w2 w // refer to the type loop again diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue41680.go b/gcc/testsuite/go.test/test/fixedbugs/issue41680.go new file mode 100644 index 00000000000..9dfeb7d503a --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue41680.go @@ -0,0 +1,21 @@ +// compile + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +func F(s string) bool { + const m = 16 + const n = 1e5 + _ = make([]int, n) + return len(s) < n*m +} + +func G() { + const n = 1e5 + _ = make([]int, n) + f := n + var _ float64 = f +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue41736.go b/gcc/testsuite/go.test/test/fixedbugs/issue41736.go new file mode 100644 index 00000000000..36f127f4fb4 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue41736.go @@ -0,0 +1,105 @@ +// compile + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +type I struct { + x int64 +} + +type F struct { + x float64 +} + +type C struct { + x *complex128 +} + +type D struct { + x complex64 +} + +type A [1]*complex128 + +//go:noinline +func (i I) X() C { + cx := complex(0, float64(i.x)) + return C{&cx} +} + +//go:noinline +func (f F) X() C { + cx := complex(f.x, 0) + return C{&cx} +} + +//go:noinline +func (c C) X() C { + cx := complex(imag(*c.x), real(*c.x)) + return C{&cx} +} + +//go:noinline +func (d D) X() C { + cx := complex(float64(imag(d.x)), -float64(real(d.x))) + return C{&cx} +} + +//go:noinline +func (a A) X() C { + cx := complex(-float64(imag(*a[0])), float64(real(*a[0]))) + return C{&cx} +} + +//go:noinline +func (i I) id() I { + return i +} + +//go:noinline +func (f F) id() F { + return f +} + +//go:noinline +func (c C) id() C { + return c +} + +//go:noinline +func (d D) id() D { + return d +} + +//go:noinline +func (a A) id() A { + return a +} + +type T interface { + X() C +} + +func G(x []T) []T { + var y []T + for _, a := range x { + var v T + switch u := a.(type) { + case I: + v = u.id() + case F: + v = u.id() + case C: + v = u.id() + case D: + v = u.id() + case A: + v = u.id() + } + y = append(y, v) + } + return y +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue41780.go b/gcc/testsuite/go.test/test/fixedbugs/issue41780.go new file mode 100644 index 00000000000..632c144a487 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue41780.go @@ -0,0 +1,39 @@ +// run + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Checks that conversion of CMP(x,-y) -> CMN(x,y) is only applied in correct context. + +package main + +type decimal struct { + d [8]byte // digits, big-endian representation + dp int // decimal point +} + +var powtab = []int{1, 3, 6, 9, 13, 16, 19, 23, 26} + +//go:noinline +func foo(d *decimal) int { + exp := int(d.d[1]) + if d.dp < 0 || d.dp == 0 && d.d[0] < '5' { + var n int + if -d.dp >= len(powtab) { + n = 27 + } else { + n = powtab[-d.dp] // incorrect CMP -> CMN substitution causes indexing panic. + } + exp += n + } + return exp +} + +func main() { + var d decimal + d.d[0] = '1' + if foo(&d) != 1 { + println("FAILURE (though not the one this test was written to catch)") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue41872.go b/gcc/testsuite/go.test/test/fixedbugs/issue41872.go new file mode 100644 index 00000000000..837d61ae0a3 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue41872.go @@ -0,0 +1,26 @@ +// run + +// Copyright 2020 The Go Authors. All rights reserved. Use of this +// source code is governed by a BSD-style license that can be found in +// the LICENSE file. + +package main + +//go:noinline +func f8(x int32) bool { + return byte(x&0xc0) == 64 +} + +//go:noinline +func f16(x int32) bool { + return uint16(x&0x8040) == 64 +} + +func main() { + if !f8(64) { + panic("wanted true, got false") + } + if !f16(64) { + panic("wanted true, got false") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue42032.go b/gcc/testsuite/go.test/test/fixedbugs/issue42032.go new file mode 100644 index 00000000000..c456b1db02c --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue42032.go @@ -0,0 +1,27 @@ +// run + +// Copyright 2020 The Go Authors. All rights reserved. Use of this +// source code is governed by a BSD-style license that can be found in +// the LICENSE file. + +package main + +//go:notinheap +type NIH struct { +} + +type T struct { + x *NIH + p *int +} + +var y NIH +var z int + +func main() { + a := []T{{&y, &z}} + a = append(a, T{&y, &z}) + if a[1].x == nil { + panic("pointer not written") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue42058a.go b/gcc/testsuite/go.test/test/fixedbugs/issue42058a.go new file mode 100644 index 00000000000..722f86e1ecf --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue42058a.go @@ -0,0 +1,13 @@ +// errorcheck + +// Copyright 2020 The Go Authors. All rights reserved. Use of this +// source code is governed by a BSD-style license that can be found in +// the LICENSE file. + +package p + +var c chan [2 << 16]byte // GC_ERROR "channel element type too large" + +type T [1 << 17]byte + +var x chan T // GC_ERROR "channel element type too large" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue42058b.go b/gcc/testsuite/go.test/test/fixedbugs/issue42058b.go new file mode 100644 index 00000000000..71a280f96b7 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue42058b.go @@ -0,0 +1,13 @@ +// errorcheck + +// Copyright 2020 The Go Authors. All rights reserved. Use of this +// source code is governed by a BSD-style license that can be found in +// the LICENSE file. + +package p + +var c chan [2 << 16]byte // GC_ERROR "channel element type too large" + +func f() { + _ = 42 +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue42075.go b/gcc/testsuite/go.test/test/fixedbugs/issue42075.go new file mode 100644 index 00000000000..af85fb281d8 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue42075.go @@ -0,0 +1,16 @@ +// errorcheck + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +import "unsafe" + +type T struct { // ERROR "recursive type" + x int + p unsafe.Pointer + + f T +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue42076.go b/gcc/testsuite/go.test/test/fixedbugs/issue42076.go new file mode 100644 index 00000000000..3e954813c93 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue42076.go @@ -0,0 +1,21 @@ +// run + +// Copyright 2020 The Go Authors. All rights reserved. Use of this +// source code is governed by a BSD-style license that can be found in +// the LICENSE file. + +package main + +import "reflect" + +//go:notinheap +type NIH struct { +} + +var x, y NIH + +func main() { + if reflect.DeepEqual(&x, &y) != true { + panic("should report true") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue4215.go b/gcc/testsuite/go.test/test/fixedbugs/issue4215.go new file mode 100644 index 00000000000..be9fc7434a7 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue4215.go @@ -0,0 +1,53 @@ +// errorcheck + +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func foo() (int, int) { + return 2.3 // ERROR "not enough arguments to return\n\thave \(number\)\n\twant \(int, int\)|not enough arguments to return" +} + +func foo2() { + return int(2), 2 // ERROR "too many arguments to return\n\thave \(int, number\)\n\twant \(\)|return with value in function with no return type" +} + +func foo3(v int) (a, b, c, d int) { + if v >= 0 { + return 1 // ERROR "not enough arguments to return\n\thave \(number\)\n\twant \(int, int, int, int\)|not enough arguments to return" + } + return 2, 3 // ERROR "not enough arguments to return\n\thave \(number, number\)\n\twant \(int, int, int, int\)|not enough arguments to return" +} + +func foo4(name string) (string, int) { + switch name { + case "cow": + return "moo" // ERROR "not enough arguments to return\n\thave \(string\)\n\twant \(string, int\)|not enough arguments to return" + case "dog": + return "dog", 10, true // ERROR "too many arguments to return\n\thave \(string, number, bool\)\n\twant \(string, int\)|too many values in return statement" + case "fish": + return "" // ERROR "not enough arguments to return\n\thave \(string\)\n\twant \(string, int\)|not enough arguments to return" + default: + return "lizard", 10 + } +} + +type S int +type T string +type U float64 + +func foo5() (S, T, U) { + if false { + return "" // ERROR "not enough arguments to return\n\thave \(string\)\n\twant \(S, T, U\)|not enough arguments to return" + } else { + ptr := new(T) + return ptr // ERROR "not enough arguments to return\n\thave \(\*T\)\n\twant \(S, T, U\)|not enough arguments to return" + } + return new(S), 12.34, 1 + 0i, 'r', true // ERROR "too many arguments to return\n\thave \(\*S, number, number, number, bool\)\n\twant \(S, T, U\)|too many values in return statement" +} + +func foo6() (T, string) { + return "T", true, true // ERROR "too many arguments to return\n\thave \(string, bool, bool\)\n\twant \(T, string\)|too many values in return statement" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue42568.go b/gcc/testsuite/go.test/test/fixedbugs/issue42568.go new file mode 100644 index 00000000000..834fdc58f36 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue42568.go @@ -0,0 +1,25 @@ +// compile + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Ensure that late expansion correctly handles an OpIData with type interface{} + +package p + +type S struct{} + +func (S) M() {} + +type I interface { + M() +} + +func f(i I) { + o := i.(interface{}) + if _, ok := i.(*S); ok { + o = nil + } + println(o) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue42587.go b/gcc/testsuite/go.test/test/fixedbugs/issue42587.go new file mode 100644 index 00000000000..d10ba979d57 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue42587.go @@ -0,0 +1,15 @@ +// compile + +// Copyright 2020 The Go Authors. All rights reserved. Use of this +// source code is governed by a BSD-style license that can be found in +// the LICENSE file. + +package p + +func f() { + var i, j int + _ = func() { + i = 32 + j = j>>i | len([]int{}) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue42703.go b/gcc/testsuite/go.test/test/fixedbugs/issue42703.go new file mode 100644 index 00000000000..15f7a915e6a --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue42703.go @@ -0,0 +1,19 @@ +// run + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +var ok [2]bool + +func main() { + f()() + if !ok[0] || !ok[1] { + panic("FAIL") + } +} + +func f() func() { ok[0] = true; return g } +func g() { ok[1] = true } diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue42727.go b/gcc/testsuite/go.test/test/fixedbugs/issue42727.go new file mode 100644 index 00000000000..40081708b15 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue42727.go @@ -0,0 +1,23 @@ +// compile + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Ensure that late expansion correctly handles an OpLoad with type interface{} + +package p + +type iface interface { + m() +} + +type it interface{} + +type makeIface func() iface + +func f() { + var im makeIface + e := im().(it) + _ = &e +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue42784.go b/gcc/testsuite/go.test/test/fixedbugs/issue42784.go new file mode 100644 index 00000000000..e2b06e9307f --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue42784.go @@ -0,0 +1,26 @@ +// compile + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Ensure that late expansion correctly set OpLoad argument type interface{} + +package p + +type iface interface { + m() +} + +type it interface{} + +type makeIface func() iface + +func f() { + var im makeIface + e := im().(it) + g(e) +} + +//go:noinline +func g(i it) {} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue42876.go b/gcc/testsuite/go.test/test/fixedbugs/issue42876.go new file mode 100644 index 00000000000..67cf4919ac5 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue42876.go @@ -0,0 +1,18 @@ +// run + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +var x = [4]int32{-0x7fffffff, 0x7fffffff, 2, 4} + +func main() { + if x[0] > x[1] { + panic("fail 1") + } + if x[2]&x[3] < 0 { + panic("fail 2") // Fails here + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue43099.go b/gcc/testsuite/go.test/test/fixedbugs/issue43099.go new file mode 100644 index 00000000000..16f18e5f968 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue43099.go @@ -0,0 +1,34 @@ +// compile + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check to make sure we don't try to constant fold a divide by zero. +// This is a tricky test, as we need a value that's not recognized as 0 +// until lowering (otherwise it gets handled in a different path). + +package p + +func f() { + var i int + var s string + for i > 0 { + _ = s[0] + i++ + } + + var c chan int + c <- 1 % i +} + +func f32() uint32 { + s := "\x00\x00\x00\x00" + c := uint32(s[0]) | uint32(s[1])<<8 | uint32(s[2])<<16 | uint32(s[3])<<24 + return 1 / c +} +func f64() uint64 { + s := "\x00\x00\x00\x00\x00\x00\x00\x00" + c := uint64(s[0]) | uint64(s[1])<<8 | uint64(s[2])<<16 | uint64(s[3])<<24 | uint64(s[4])<<32 | uint64(s[5])<<40 | uint64(s[6])<<48 | uint64(s[7])<<56 + return 1 / c +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue43111.go b/gcc/testsuite/go.test/test/fixedbugs/issue43111.go new file mode 100644 index 00000000000..76d7beb084a --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue43111.go @@ -0,0 +1,70 @@ +// run + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +var ch chan int +var x int + +func f() int { + close(ch) + ch = nil + return 0 +} + +func g() int { + ch = nil + x = 0 + return 0 +} + +func main() { + var nilch chan int + var v int + var ok bool + _, _ = v, ok + + ch = make(chan int) + select { + case <-ch: + case nilch <- f(): + } + + ch = make(chan int) + select { + case v = <-ch: + case nilch <- f(): + } + + ch = make(chan int) + select { + case v := <-ch: _ = v + case nilch <- f(): + } + + ch = make(chan int) + select { + case v, ok = <-ch: + case nilch <- f(): + } + + ch = make(chan int) + select { + case v, ok := <-ch: _, _ = v, ok + case nilch <- f(): + } + + ch1 := make(chan int, 1) + ch = ch1 + x = 42 + select { + case ch <- x: + case nilch <- g(): + } + if got := <-ch1; got != 42 { + panic(got) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue43112.go b/gcc/testsuite/go.test/test/fixedbugs/issue43112.go new file mode 100644 index 00000000000..e36627a0155 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue43112.go @@ -0,0 +1,41 @@ +// compile + +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +type Symbol interface{} + +type Value interface { + String() string +} + +type Object interface { + String() string +} + +type Scope struct { + outer *Scope + elems map[string]Object +} + +func (s *Scope) findouter(name string) (*Scope, Object) { + return s.outer.findouter(name) +} + +func (s *Scope) Resolve(name string) (sym Symbol) { + if _, obj := s.findouter(name); obj != nil { + sym = obj.(Symbol) + } + return +} + +type ScopeName struct { + scope *Scope +} + +func (n *ScopeName) Get(name string) (Value, error) { + return n.scope.Resolve(name).(Value), nil +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue4365.go b/gcc/testsuite/go.test/test/fixedbugs/issue4365.go new file mode 100644 index 00000000000..09ff1bf8f7f --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue4365.go @@ -0,0 +1,27 @@ +// errorcheck + +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Test that fields hide promoted methods. +// https://golang.org/issue/4365 + +package main + +type T interface { + M() +} + +type M struct{} + +func (M) M() {} + +type Foo struct { + M +} + +func main() { + var v T = Foo{} // ERROR "has no methods|not a method|cannot use" + _ = v +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue5373.go b/gcc/testsuite/go.test/test/fixedbugs/issue5373.go new file mode 100644 index 00000000000..8aee9a2c781 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue5373.go @@ -0,0 +1,71 @@ +// run + +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Ensure that zeroing range loops have the requisite side-effects. + +package main + +import ( + "fmt" + "os" +) + +func check(n int) { + // When n == 0, i is untouched by the range loop. + // Picking an initial value of -1 for i makes the + // "want" calculation below correct in all cases. + i := -1 + s := make([]byte, n) + for i = range s { + s[i] = 0 + } + if want := n - 1; i != want { + fmt.Printf("index after range with side-effect = %d want %d\n", i, want) + os.Exit(1) + } + + i = n + 1 + // i is shadowed here, so its value should be unchanged. + for i := range s { + s[i] = 0 + } + if want := n + 1; i != want { + fmt.Printf("index after range without side-effect = %d want %d\n", i, want) + os.Exit(1) + } + + // Index variable whose evaluation has side-effects + var x int + f := func() int { + x++ + return 0 + } + var a [1]int + for a[f()] = range s { + s[a[f()]] = 0 + } + if want := n * 2; x != want { + fmt.Printf("index function calls = %d want %d\n", x, want) + os.Exit(1) + } + + // Range expression whose evaluation has side-effects + x = 0 + b := [1][]byte{s} + for i := range b[f()] { + b[f()][i] = 0 + } + if want := n + 1; x != n+1 { + fmt.Printf("range expr function calls = %d want %d\n", x, want) + os.Exit(1) + } +} + +func main() { + check(0) + check(1) + check(15) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue5793.go b/gcc/testsuite/go.test/test/fixedbugs/issue5793.go new file mode 100644 index 00000000000..81041551c88 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue5793.go @@ -0,0 +1,36 @@ +// run + +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 5793: calling 2-arg builtin with multiple-result f() call expression gives +// spurious error. + +package main + +func complexArgs() (float64, float64) { + return 5, 7 +} + +func appendArgs() ([]string, string) { + return []string{"foo"}, "bar" +} + +func appendMultiArgs() ([]byte, byte, byte) { + return []byte{'a', 'b'}, '1', '2' +} + +func main() { + if c := complex(complexArgs()); c != 5+7i { + panic(c) + } + + if s := append(appendArgs()); len(s) != 2 || s[0] != "foo" || s[1] != "bar" { + panic(s) + } + + if b := append(appendMultiArgs()); len(b) != 4 || b[0] != 'a' || b[1] != 'b' || b[2] != '1' || b[3] != '2' { + panic(b) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6295.dir/p0.go b/gcc/testsuite/go.test/test/fixedbugs/issue6295.dir/p0.go new file mode 100644 index 00000000000..d4d4da7b353 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6295.dir/p0.go @@ -0,0 +1,13 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p0 + +type T0 interface { + m0() +} + +type S0 struct{} + +func (S0) m0() {} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6295.dir/p1.go b/gcc/testsuite/go.test/test/fixedbugs/issue6295.dir/p1.go new file mode 100644 index 00000000000..26efae74096 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6295.dir/p1.go @@ -0,0 +1,26 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p1 + +import "./p0" + +type T1 interface { + p0.T0 + m1() +} + +type S1 struct { + p0.S0 +} + +func (S1) m1() {} + +func NewT0() p0.T0 { + return S1{} +} + +func NewT1() T1 { + return S1{} +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6295.dir/p2.go b/gcc/testsuite/go.test/test/fixedbugs/issue6295.dir/p2.go new file mode 100644 index 00000000000..f5b6ffd0a13 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6295.dir/p2.go @@ -0,0 +1,19 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "./p0" + "./p1" +) + +var ( + _ p0.T0 = p0.S0{} + _ p0.T0 = p1.S1{} + _ p0.T0 = p1.NewT0() + _ p0.T0 = p1.NewT1() // same as p1.S1{} +) + +func main() {} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6295.go b/gcc/testsuite/go.test/test/fixedbugs/issue6295.go new file mode 100644 index 00000000000..b8da21272ea --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6295.go @@ -0,0 +1,10 @@ +// compiledir + +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 6295: qualified name of unexported methods +// is corrupted during import. + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6402.go b/gcc/testsuite/go.test/test/fixedbugs/issue6402.go new file mode 100644 index 00000000000..ecde9ae5105 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6402.go @@ -0,0 +1,13 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 6402: spurious 'use of untyped nil' error + +package p + +func f() uintptr { + return nil // ERROR "cannot use nil as type uintptr in return argument|incompatible type" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6403.go b/gcc/testsuite/go.test/test/fixedbugs/issue6403.go new file mode 100644 index 00000000000..809efefa0f4 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6403.go @@ -0,0 +1,14 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 6403: fix spurious 'const initializer is not a constant' error + +package p + +import "syscall" + +const A int = syscall.X // ERROR "undefined: syscall.X|undefined identifier .*syscall.X" +const B int = voidpkg.X // ERROR "undefined: voidpkg|undefined name .*voidpkg" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6406.go b/gcc/testsuite/go.test/test/fixedbugs/issue6406.go new file mode 100644 index 00000000000..5491193ef31 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6406.go @@ -0,0 +1,12 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func main() { + s = "bob" // ERROR "undefined.*s" + _ = s // ERROR "undefined.*s" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6703a.go b/gcc/testsuite/go.test/test/fixedbugs/issue6703a.go new file mode 100644 index 00000000000..38c59562d08 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6703a.go @@ -0,0 +1,16 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for cycles in a function value. + +package funcvalue + +func fx() int { + _ = x + return 0 +} + +var x = fx // ERROR "initialization loop|depends upon itself" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6703b.go b/gcc/testsuite/go.test/test/fixedbugs/issue6703b.go new file mode 100644 index 00000000000..35438c3b745 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6703b.go @@ -0,0 +1,16 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for cycles in a function call. + +package funccall + +func fx() int { + _ = x + return 0 +} + +var x = fx() // ERROR "initialization loop|depends upon itself" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6703c.go b/gcc/testsuite/go.test/test/fixedbugs/issue6703c.go new file mode 100644 index 00000000000..ade40e33d42 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6703c.go @@ -0,0 +1,18 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for cycles in a method expression. + +package methexpr + +type T int + +func (T) m() int { + _ = x + return 0 +} + +var x = T.m // ERROR "initialization loop|depends upon itself" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6703d.go b/gcc/testsuite/go.test/test/fixedbugs/issue6703d.go new file mode 100644 index 00000000000..dd481636bd0 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6703d.go @@ -0,0 +1,18 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for cycles in a method expression call. + +package methexprcall + +type T int + +func (T) m() int { + _ = x + return 0 +} + +var x = T.m(0) // ERROR "initialization loop|depends upon itself" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6703e.go b/gcc/testsuite/go.test/test/fixedbugs/issue6703e.go new file mode 100644 index 00000000000..d362d6e8328 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6703e.go @@ -0,0 +1,18 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for cycles in the method value of a value literal. + +package litmethvalue + +type T int + +func (T) m() int { + _ = x + return 0 +} + +var x = T(0).m // ERROR "initialization loop|depends upon itself" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6703f.go b/gcc/testsuite/go.test/test/fixedbugs/issue6703f.go new file mode 100644 index 00000000000..0b49026a69a --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6703f.go @@ -0,0 +1,18 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for cycles in the method call of a value literal. + +package litmethcall + +type T int + +func (T) m() int { + _ = x + return 0 +} + +var x = T(0).m() // ERROR "initialization loop|depends upon itself" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6703g.go b/gcc/testsuite/go.test/test/fixedbugs/issue6703g.go new file mode 100644 index 00000000000..05ec7405f3f --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6703g.go @@ -0,0 +1,20 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for cycles in an embedded method expression. + +package embedmethexpr + +type T int + +func (T) m() int { + _ = x + return 0 +} + +type E struct{ T } + +var x = E.m // ERROR "initialization loop|depends upon itself" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6703h.go b/gcc/testsuite/go.test/test/fixedbugs/issue6703h.go new file mode 100644 index 00000000000..f6b69e1b70b --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6703h.go @@ -0,0 +1,20 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for cycles when calling an embedded method expression. + +package embedmethexprcall + +type T int + +func (T) m() int { + _ = x + return 0 +} + +type E struct{ T } + +var x = E.m(E{0}) // ERROR "initialization loop|depends upon itself" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6703i.go b/gcc/testsuite/go.test/test/fixedbugs/issue6703i.go new file mode 100644 index 00000000000..fb580a24610 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6703i.go @@ -0,0 +1,20 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for cycles in an embedded struct literal's method value. + +package embedlitmethvalue + +type T int + +func (T) m() int { + _ = x + return 0 +} + +type E struct{ T } + +var x = E{}.m // ERROR "initialization loop|depends upon itself" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6703j.go b/gcc/testsuite/go.test/test/fixedbugs/issue6703j.go new file mode 100644 index 00000000000..b4c079f808d --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6703j.go @@ -0,0 +1,20 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for cycles in an embedded struct literal's method call. + +package embedlitmethcall + +type T int + +func (T) m() int { + _ = x + return 0 +} + +type E struct{ T } + +var x = E{}.m() // ERROR "initialization loop|depends upon itself" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6703k.go b/gcc/testsuite/go.test/test/fixedbugs/issue6703k.go new file mode 100644 index 00000000000..6f606e29760 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6703k.go @@ -0,0 +1,21 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for cycles in a method value. + +package methvalue + +type T int + +func (T) m() int { + _ = x + return 0 +} + +var ( + t T + x = t.m // ERROR "initialization loop|depends upon itself" +) diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6703l.go b/gcc/testsuite/go.test/test/fixedbugs/issue6703l.go new file mode 100644 index 00000000000..684c2250021 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6703l.go @@ -0,0 +1,21 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for cycles in a method call. + +package methcall + +type T int + +func (T) m() int { + _ = x + return 0 +} + +var ( + t T + x = t.m() // ERROR "initialization loop|depends upon itself" +) diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6703m.go b/gcc/testsuite/go.test/test/fixedbugs/issue6703m.go new file mode 100644 index 00000000000..7d1b604860a --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6703m.go @@ -0,0 +1,25 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for cycles in the method value of a value returned from a function call. + +package funcmethvalue + +type T int + +func (T) m() int { + _ = x + return 0 +} + +func f() T { + return T(0) +} + +var ( + t T + x = f().m // ERROR "initialization loop|depends upon itself" +) diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6703n.go b/gcc/testsuite/go.test/test/fixedbugs/issue6703n.go new file mode 100644 index 00000000000..22646af783c --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6703n.go @@ -0,0 +1,25 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for cycles in the method call of a value returned from a function call. + +package funcmethcall + +type T int + +func (T) m() int { + _ = x + return 0 +} + +func f() T { + return T(0) +} + +var ( + t T + x = f().m() // ERROR "initialization loop|depends upon itself" +) diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6703o.go b/gcc/testsuite/go.test/test/fixedbugs/issue6703o.go new file mode 100644 index 00000000000..a11fdfd858e --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6703o.go @@ -0,0 +1,23 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for cycles in an embedded struct's method value. + +package embedmethvalue + +type T int + +func (T) m() int { + _ = x + return 0 +} + +type E struct{ T } + +var ( + e E + x = e.m // ERROR "initialization loop|depends upon itself" +) diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6703p.go b/gcc/testsuite/go.test/test/fixedbugs/issue6703p.go new file mode 100644 index 00000000000..3ac7a63de88 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6703p.go @@ -0,0 +1,23 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for cycles in an embedded struct's method call. + +package embedmethcall + +type T int + +func (T) m() int { + _ = x + return 0 +} + +type E struct{ T } + +var ( + e E + x = e.m() // ERROR "initialization loop|depends upon itself" +) diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6703q.go b/gcc/testsuite/go.test/test/fixedbugs/issue6703q.go new file mode 100644 index 00000000000..b087c15d37b --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6703q.go @@ -0,0 +1,28 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for cycles in the method value of an embedded struct returned +// from a function call. + +package funcembedmethvalue + +type T int + +func (T) m() int { + _ = x + return 0 +} + +func g() E { + return E{0} +} + +type E struct{ T } + +var ( + e E + x = g().m // ERROR "initialization loop|depends upon itself" +) diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6703r.go b/gcc/testsuite/go.test/test/fixedbugs/issue6703r.go new file mode 100644 index 00000000000..de514f1802a --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6703r.go @@ -0,0 +1,28 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for cycles in the method call of an embedded struct returned +// from a function call. + +package funcembedmethcall + +type T int + +func (T) m() int { + _ = x + return 0 +} + +func g() E { + return E{0} +} + +type E struct{ T } + +var ( + e E + x = g().m() // ERROR "initialization loop|depends upon itself" +) diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6703s.go b/gcc/testsuite/go.test/test/fixedbugs/issue6703s.go new file mode 100644 index 00000000000..cd3c5b342f5 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6703s.go @@ -0,0 +1,18 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for cycles in a pointer method expression. + +package ptrmethexpr + +type T int + +func (*T) pm() int { + _ = x + return 0 +} + +var x = (*T).pm // ERROR "initialization loop|depends upon itself" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6703t.go b/gcc/testsuite/go.test/test/fixedbugs/issue6703t.go new file mode 100644 index 00000000000..62de37c5784 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6703t.go @@ -0,0 +1,18 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for cycles in the call of a pointer method expression. + +package ptrmethexprcall + +type T int + +func (*T) pm() int { + _ = x + return 0 +} + +var x = (*T).pm(nil) // ERROR "initialization loop|depends upon itself" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6703u.go b/gcc/testsuite/go.test/test/fixedbugs/issue6703u.go new file mode 100644 index 00000000000..961a0001c34 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6703u.go @@ -0,0 +1,18 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for cycles in a pointer literal's method value. + +package ptrlitmethvalue + +type T int + +func (*T) pm() int { + _ = x + return 0 +} + +var x = (*T)(nil).pm // ERROR "initialization loop|depends upon itself" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6703v.go b/gcc/testsuite/go.test/test/fixedbugs/issue6703v.go new file mode 100644 index 00000000000..2409911ae65 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6703v.go @@ -0,0 +1,18 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for cycles in a pointer literal's method call. + +package ptrlitmethcall + +type T int + +func (*T) pm() int { + _ = x + return 0 +} + +var x = (*T)(nil).pm() // ERROR "initialization loop|depends upon itself" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6703w.go b/gcc/testsuite/go.test/test/fixedbugs/issue6703w.go new file mode 100644 index 00000000000..b7b3d91a2fc --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6703w.go @@ -0,0 +1,21 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for cycles in a pointer value's method value. + +package ptrmethvalue + +type T int + +func (*T) pm() int { + _ = x + return 0 +} + +var ( + p *T + x = p.pm // ERROR "initialization loop|depends upon itself" +) diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6703x.go b/gcc/testsuite/go.test/test/fixedbugs/issue6703x.go new file mode 100644 index 00000000000..48daf03a992 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6703x.go @@ -0,0 +1,21 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for cycles in a pointer value's method call. + +package ptrmethcall + +type T int + +func (*T) pm() int { + _ = x + return 0 +} + +var ( + p *T + x = p.pm() // ERROR "initialization loop|depends upon itself" +) diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6703y.go b/gcc/testsuite/go.test/test/fixedbugs/issue6703y.go new file mode 100644 index 00000000000..278dfcdb5e0 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6703y.go @@ -0,0 +1,23 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for cycles in the method value of a pointer value returned +// from a function call. + +package funcptrmethvalue + +type T int + +func (*T) pm() int { + _ = x + return 0 +} + +func pf() *T { + return nil +} + +var x = pf().pm // ERROR "initialization loop|depends upon itself" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6703z.go b/gcc/testsuite/go.test/test/fixedbugs/issue6703z.go new file mode 100644 index 00000000000..f81a3a8c341 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6703z.go @@ -0,0 +1,23 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for cycles in the method call of a pointer value returned +// from a function call. + +package funcptrmethcall + +type T int + +func (*T) pm() int { + _ = x + return 0 +} + +func pf() *T { + return nil +} + +var x = pf().pm() // ERROR "initialization loop|depends upon itself" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6772.go b/gcc/testsuite/go.test/test/fixedbugs/issue6772.go new file mode 100644 index 00000000000..5bd15ba72ec --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6772.go @@ -0,0 +1,21 @@ +// errorcheck + +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +func f1() { + for a, a := range []int{1, 2, 3} { // ERROR "a.* repeated on left side of :=" + println(a) + } +} + +func f2() { + var a int + for a, a := range []int{1, 2, 3} { // ERROR "a.* repeated on left side of :=" + println(a) + } + println(a) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6847.go b/gcc/testsuite/go.test/test/fixedbugs/issue6847.go new file mode 100644 index 00000000000..da300bcd017 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6847.go @@ -0,0 +1,85 @@ +// compile + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 6847: select clauses involving implicit conversion +// of channels trigger a spurious typechecking error during walk. + +package p + +type I1 interface { + String() +} +type I2 interface { + String() +} + +func F() { + var ( + cr <-chan int + cs chan<- int + c chan int + + ccr chan (<-chan int) + ccs chan chan<- int + cc chan chan int + + ok bool + ) + // Send cases. + select { + case ccr <- cr: + case ccr <- c: + } + select { + case ccs <- cs: + case ccs <- c: + } + select { + case ccr <- c: + default: + } + // Receive cases. + select { + case cr = <-cc: + case cs = <-cc: + case c = <-cc: + } + select { + case cr = <-cc: + default: + } + select { + case cr, ok = <-cc: + case cs, ok = <-cc: + case c = <-cc: + } + // Interfaces. + var ( + c1 chan I1 + c2 chan I2 + x1 I1 + x2 I2 + ) + select { + case c1 <- x1: + case c1 <- x2: + case c2 <- x1: + case c2 <- x2: + } + select { + case x1 = <-c1: + case x1 = <-c2: + case x2 = <-c1: + case x2 = <-c2: + } + select { + case x1, ok = <-c1: + case x1, ok = <-c2: + case x2, ok = <-c1: + case x2, ok = <-c2: + } + _ = ok +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6866.go b/gcc/testsuite/go.test/test/fixedbugs/issue6866.go new file mode 100644 index 00000000000..1080b276e7c --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6866.go @@ -0,0 +1,80 @@ +// run + +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// WARNING: GENERATED FILE - DO NOT MODIFY MANUALLY! +// (To generate, in go/types directory: go test -run=Hilbert -H=2 -out="h2.src") + +// This program tests arbitrary precision constant arithmetic +// by generating the constant elements of a Hilbert matrix H, +// its inverse I, and the product P = H*I. The product should +// be the identity matrix. +package main + +func main() { + if !ok { + print() + return + } +} + +// Hilbert matrix, n = 2 +const ( + h0_0, h0_1 = 1.0 / (iota + 1), 1.0 / (iota + 2) + h1_0, h1_1 +) + +// Inverse Hilbert matrix +const ( + i0_0 = +1 * b2_1 * b2_1 * b0_0 * b0_0 + i0_1 = -2 * b2_0 * b3_1 * b1_0 * b1_0 + + i1_0 = -2 * b3_1 * b2_0 * b1_1 * b1_1 + i1_1 = +3 * b3_0 * b3_0 * b2_1 * b2_1 +) + +// Product matrix +const ( + p0_0 = h0_0*i0_0 + h0_1*i1_0 + p0_1 = h0_0*i0_1 + h0_1*i1_1 + + p1_0 = h1_0*i0_0 + h1_1*i1_0 + p1_1 = h1_0*i0_1 + h1_1*i1_1 +) + +// Verify that product is identity matrix +const ok = p0_0 == 1 && p0_1 == 0 && + p1_0 == 0 && p1_1 == 1 && + true + +func print() { + println(p0_0, p0_1) + println(p1_0, p1_1) +} + +// Binomials +const ( + b0_0 = f0 / (f0 * f0) + + b1_0 = f1 / (f0 * f1) + b1_1 = f1 / (f1 * f0) + + b2_0 = f2 / (f0 * f2) + b2_1 = f2 / (f1 * f1) + b2_2 = f2 / (f2 * f0) + + b3_0 = f3 / (f0 * f3) + b3_1 = f3 / (f1 * f2) + b3_2 = f3 / (f2 * f1) + b3_3 = f3 / (f3 * f0) +) + +// Factorials +const ( + f0 = 1 + f1 = 1 + f2 = f1 * 2 + f3 = f2 * 3 +) diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6889.go b/gcc/testsuite/go.test/test/fixedbugs/issue6889.go new file mode 100644 index 00000000000..efd8b761483 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6889.go @@ -0,0 +1,111 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 6889: confusing error message: ovf in mpaddxx + +package main + +const ( + f1 = 1 + f2 = f1 * 2 + f3 = f2 * 3 + f4 = f3 * 4 + f5 = f4 * 5 + f6 = f5 * 6 + f7 = f6 * 7 + f8 = f7 * 8 + f9 = f8 * 9 + f10 = f9 * 10 + f11 = f10 * 11 + f12 = f11 * 12 + f13 = f12 * 13 + f14 = f13 * 14 + f15 = f14 * 15 + f16 = f15 * 16 + f17 = f16 * 17 + f18 = f17 * 18 + f19 = f18 * 19 + f20 = f19 * 20 + f21 = f20 * 21 + f22 = f21 * 22 + f23 = f22 * 23 + f24 = f23 * 24 + f25 = f24 * 25 + f26 = f25 * 26 + f27 = f26 * 27 + f28 = f27 * 28 + f29 = f28 * 29 + f30 = f29 * 30 + f31 = f30 * 31 + f32 = f31 * 32 + f33 = f32 * 33 + f34 = f33 * 34 + f35 = f34 * 35 + f36 = f35 * 36 + f37 = f36 * 37 + f38 = f37 * 38 + f39 = f38 * 39 + f40 = f39 * 40 + f41 = f40 * 41 + f42 = f41 * 42 + f43 = f42 * 43 + f44 = f43 * 44 + f45 = f44 * 45 + f46 = f45 * 46 + f47 = f46 * 47 + f48 = f47 * 48 + f49 = f48 * 49 + f50 = f49 * 50 + f51 = f50 * 51 + f52 = f51 * 52 + f53 = f52 * 53 + f54 = f53 * 54 + f55 = f54 * 55 + f56 = f55 * 56 + f57 = f56 * 57 + f58 = f57 * 58 + f59 = f58 * 59 + f60 = f59 * 60 + f61 = f60 * 61 + f62 = f61 * 62 + f63 = f62 * 63 + f64 = f63 * 64 + f65 = f64 * 65 + f66 = f65 * 66 + f67 = f66 * 67 + f68 = f67 * 68 + f69 = f68 * 69 + f70 = f69 * 70 + f71 = f70 * 71 + f72 = f71 * 72 + f73 = f72 * 73 + f74 = f73 * 74 + f75 = f74 * 75 + f76 = f75 * 76 + f77 = f76 * 77 + f78 = f77 * 78 + f79 = f78 * 79 + f80 = f79 * 80 + f81 = f80 * 81 + f82 = f81 * 82 + f83 = f82 * 83 + f84 = f83 * 84 + f85 = f84 * 85 + f86 = f85 * 86 + f87 = f86 * 87 + f88 = f87 * 88 + f89 = f88 * 89 + f90 = f89 * 90 + f91 = f90 * 91 + f92 = f91 * 92 + f93 = f92 * 93 + f94 = f93 * 94 + f95 = f94 * 95 + f96 = f95 * 96 + f97 = f96 * 97 + f98 = f97 * 98 + f99 = f98 * 99 // GC_ERROR "overflow" +) diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6902.go b/gcc/testsuite/go.test/test/fixedbugs/issue6902.go new file mode 100644 index 00000000000..5c2c545d2ca --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6902.go @@ -0,0 +1,21 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 6902: confusing printing of large floating point constants + +package main + +import ( + "os" +) + +var x = -1e-10000 + +func main() { + if x != 0 { + os.Exit(1) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue6964.go b/gcc/testsuite/go.test/test/fixedbugs/issue6964.go new file mode 100644 index 00000000000..36a3c5bb40f --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue6964.go @@ -0,0 +1,11 @@ +// errorcheck + +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func main() { + _ = string(-4 + 2i + 2) // ERROR "-4 \+ 2i|invalid type conversion" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7023.dir/a.go b/gcc/testsuite/go.test/test/fixedbugs/issue7023.dir/a.go new file mode 100644 index 00000000000..cdb54320955 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7023.dir/a.go @@ -0,0 +1,10 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package a + +func Foo() { + goto bar +bar: +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7023.dir/b.go b/gcc/testsuite/go.test/test/fixedbugs/issue7023.dir/b.go new file mode 100644 index 00000000000..c6fe40dfa27 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7023.dir/b.go @@ -0,0 +1,11 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package b + +import ( + "./a" +) + +var f = a.Foo diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7023.go b/gcc/testsuite/go.test/test/fixedbugs/issue7023.go new file mode 100644 index 00000000000..f18c6113ef1 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7023.go @@ -0,0 +1,10 @@ +// compiledir + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 7023: corrupted export data when an inlined function +// contains a goto. + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7044.go b/gcc/testsuite/go.test/test/fixedbugs/issue7044.go new file mode 100644 index 00000000000..00c78c8cb93 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7044.go @@ -0,0 +1,43 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 7044: bad AMOVFD and AMOVDF assembly generation on +// arm for registers above 7. + +package main + +import ( + "fmt" + "reflect" +) + +func f() [16]float32 { + f0, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15 := + float32(1), float32(1), float32(1), float32(1), float32(1), float32(1), float32(1), float32(1), float32(1), float32(1), float32(1), float32(1), float32(1), float32(1), float32(1), float32(1) + // Use all 16 registers to do float32 --> float64 conversion. + d0, d1, d2, d3, d4, d5, d6, d7, d8, d9, d10, d11, d12, d13, d14, d15 := + float64(f0), float64(f1), float64(f2), float64(f3), float64(f4), float64(f5), float64(f6), float64(f7), float64(f8), float64(f9), float64(f10), float64(f11), float64(f12), float64(f13), float64(f14), float64(f15) + // Use all 16 registers to do float64 --> float32 conversion. + g0, g1, g2, g3, g4, g5, g6, g7, g8, g9, g10, g11, g12, g13, g14, g15 := + float32(d0), float32(d1), float32(d2), float32(d3), float32(d4), float32(d5), float32(d6), float32(d7), float32(d8), float32(d9), float32(d10), float32(d11), float32(d12), float32(d13), float32(d14), float32(d15) + // Force another conversion, so that the previous conversion doesn't + // get optimized away into constructing the returned array. With current + // optimizations, constructing the returned array uses only + // a single register. + e0, e1, e2, e3, e4, e5, e6, e7, e8, e9, e10, e11, e12, e13, e14, e15 := + float64(g0), float64(g1), float64(g2), float64(g3), float64(g4), float64(g5), float64(g6), float64(g7), float64(g8), float64(g9), float64(g10), float64(g11), float64(g12), float64(g13), float64(g14), float64(g15) + return [16]float32{ + float32(e0), float32(e1), float32(e2), float32(e3), float32(e4), float32(e5), float32(e6), float32(e7), float32(e8), float32(e9), float32(e10), float32(e11), float32(e12), float32(e13), float32(e14), float32(e15), + } +} + +func main() { + want := [16]float32{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1} + got := f() + if !reflect.DeepEqual(got, want) { + fmt.Printf("f() = %#v; want %#v\n", got, want) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7050.go b/gcc/testsuite/go.test/test/fixedbugs/issue7050.go new file mode 100644 index 00000000000..be7a118f575 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7050.go @@ -0,0 +1,19 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "fmt" + "os" +) + +func main() { + _, err := os.Stdout.Write(nil) + if err != nil { + fmt.Printf("BUG: os.Stdout.Write(nil) = %v\n", err) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7083.go b/gcc/testsuite/go.test/test/fixedbugs/issue7083.go new file mode 100644 index 00000000000..79bfd3b5ef9 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7083.go @@ -0,0 +1,22 @@ +// run + +package main + +import "runtime/debug" + +func f(m map[int]*string, i int) { + s := "" + m[i] = &s +} + +func main() { + debug.SetGCPercent(0) + m := map[int]*string{} + for i := 0; i < 40; i++ { + f(m, i) + if len(*m[i]) != 0 { + println("bad length", i, m[i], len(*m[i])) + panic("bad length") + } + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7129.go b/gcc/testsuite/go.test/test/fixedbugs/issue7129.go new file mode 100644 index 00000000000..2765200ac89 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7129.go @@ -0,0 +1,21 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 7129: inconsistent "wrong arg type" error for multivalued g in f(g()) + +package main + +func f(int) {} + +func g() bool { return true } + +func h(int, int) {} + +func main() { + f(g()) // ERROR "in argument to f|incompatible type" + f(true) // ERROR "in argument to f|incompatible type" + h(true, true) // ERROR "in argument to h|incompatible type" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7150.go b/gcc/testsuite/go.test/test/fixedbugs/issue7150.go new file mode 100644 index 00000000000..7cddf4875eb --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7150.go @@ -0,0 +1,17 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// issue 7150: array index out of bounds error off by one + +package main + +func main() { + _ = [0]int{-1: 50} // ERROR "index must be non-negative integer constant|index expression is negative" + _ = [0]int{0: 0} // ERROR "index 0 out of bounds \[0:0\]|out of range" + _ = [0]int{5: 25} // ERROR "index 5 out of bounds \[0:0\]|out of range" + _ = [10]int{2: 10, 15: 30} // ERROR "index 15 out of bounds \[0:10\]|out of range" + _ = [10]int{5: 5, 1: 1, 12: 12} // ERROR "index 12 out of bounds \[0:10\]|out of range" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7153.go b/gcc/testsuite/go.test/test/fixedbugs/issue7153.go new file mode 100644 index 00000000000..e8b95d5db82 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7153.go @@ -0,0 +1,11 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 7153: array invalid index error duplicated on successive bad values + +package p + +var _ = []int{a: true, true} // ERROR "undefined: a" "cannot use true \(type untyped bool\) as type int in slice literal|undefined name .*a|incompatible type" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7223.go b/gcc/testsuite/go.test/test/fixedbugs/issue7223.go new file mode 100644 index 00000000000..0ec3476403d --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7223.go @@ -0,0 +1,20 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +var bits1 uint = 10 +const bits2 uint = 10 + +func main() { + _ = make([]byte, 1<> 1) + a := make([]struct{}, length) + b := make([]struct{}, length) + _ = append(a, b...) +} + +func main() { + shouldPanic(f) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7590.go b/gcc/testsuite/go.test/test/fixedbugs/issue7590.go new file mode 100644 index 00000000000..607a3ae606d --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7590.go @@ -0,0 +1,21 @@ +// compile + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 7590: gccgo incorrectly traverses nested composite literals. + +package p + +type S struct { + F int +} + +var M = map[string]S{ + "a": { F: 1 }, +} + +var P = M["a"] + +var F = P.F diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7648.dir/a.go b/gcc/testsuite/go.test/test/fixedbugs/issue7648.dir/a.go new file mode 100644 index 00000000000..c76aaa675f6 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7648.dir/a.go @@ -0,0 +1,11 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package a + +const ( + sinPi4 = 0.70710678118654752440084436210484903928483593768847 + A = complex(sinPi4, -sinPi4) +) + diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7648.dir/b.go b/gcc/testsuite/go.test/test/fixedbugs/issue7648.dir/b.go new file mode 100644 index 00000000000..b9223ed4e3a --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7648.dir/b.go @@ -0,0 +1,11 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package b + +import "a" + +func f() { + println(a.A) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7648.go b/gcc/testsuite/go.test/test/fixedbugs/issue7648.go new file mode 100644 index 00000000000..b391c4a3177 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7648.go @@ -0,0 +1,9 @@ +// compiledir + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 7648: spurious "bad negated constant" for complex constants. + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7740.go b/gcc/testsuite/go.test/test/fixedbugs/issue7740.go new file mode 100644 index 00000000000..8f1afe86dae --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7740.go @@ -0,0 +1,35 @@ +// run + +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// This test computes the precision of the compiler's internal multiprecision floats. + +package main + +import ( + "fmt" + "math" + "runtime" +) + +const ulp = (1.0 + (2.0 / 3.0)) - (5.0 / 3.0) + +func main() { + // adjust precision depending on compiler + var prec float64 + switch runtime.Compiler { + case "gc": + prec = 512 + case "gccgo": + prec = 256 + default: + // unknown compiler + return + } + p := 1 - math.Log(math.Abs(ulp))/math.Log(2) + if math.Abs(p-prec) > 1e-10 { + fmt.Printf("BUG: got %g; want %g\n", p, prec) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7742.go b/gcc/testsuite/go.test/test/fixedbugs/issue7742.go new file mode 100644 index 00000000000..dc167c22e83 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7742.go @@ -0,0 +1,18 @@ +// compile + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 7742: cannot use &autotmp_0001 (type *map[string]string) as type *string in function argument + +package main + +var ( + m map[string]string + v string +) + +func main() { + m[v], _ = v, v +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7746.go b/gcc/testsuite/go.test/test/fixedbugs/issue7746.go new file mode 100644 index 00000000000..745496293d7 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7746.go @@ -0,0 +1,133 @@ +// errorcheck + +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +const ( + c0 = 1 << 100 + c1 = c0 * c0 + c2 = c1 * c1 + c3 = c2 * c2 // GC_ERROR "overflow" + c4 = c3 * c3 + c5 = c4 * c4 + c6 = c5 * c5 + c7 = c6 * c6 + c8 = c7 * c7 + c9 = c8 * c8 + c10 = c9 * c9 + c11 = c10 * c10 + c12 = c11 * c11 + c13 = c12 * c12 + c14 = c13 * c13 // GCCGO_ERROR "overflow" + c15 = c14 * c14 + c16 = c15 * c15 + c17 = c16 * c16 + c18 = c17 * c17 + c19 = c18 * c18 + c20 = c19 * c19 + c21 = c20 * c20 + c22 = c21 * c21 + c23 = c22 * c22 + c24 = c23 * c23 + c25 = c24 * c24 + c26 = c25 * c25 + c27 = c26 * c26 + c28 = c27 * c27 + c29 = c28 * c28 + c30 = c29 * c29 + c31 = c30 * c30 + c32 = c31 * c31 + c33 = c32 * c32 + c34 = c33 * c33 + c35 = c34 * c34 + c36 = c35 * c35 + c37 = c36 * c36 + c38 = c37 * c37 + c39 = c38 * c38 + c40 = c39 * c39 + c41 = c40 * c40 + c42 = c41 * c41 + c43 = c42 * c42 + c44 = c43 * c43 + c45 = c44 * c44 + c46 = c45 * c45 + c47 = c46 * c46 + c48 = c47 * c47 + c49 = c48 * c48 + c50 = c49 * c49 + c51 = c50 * c50 + c52 = c51 * c51 + c53 = c52 * c52 + c54 = c53 * c53 + c55 = c54 * c54 + c56 = c55 * c55 + c57 = c56 * c56 + c58 = c57 * c57 + c59 = c58 * c58 + c60 = c59 * c59 + c61 = c60 * c60 + c62 = c61 * c61 + c63 = c62 * c62 + c64 = c63 * c63 + c65 = c64 * c64 + c66 = c65 * c65 + c67 = c66 * c66 + c68 = c67 * c67 + c69 = c68 * c68 + c70 = c69 * c69 + c71 = c70 * c70 + c72 = c71 * c71 + c73 = c72 * c72 + c74 = c73 * c73 + c75 = c74 * c74 + c76 = c75 * c75 + c77 = c76 * c76 + c78 = c77 * c77 + c79 = c78 * c78 + c80 = c79 * c79 + c81 = c80 * c80 + c82 = c81 * c81 + c83 = c82 * c82 + c84 = c83 * c83 + c85 = c84 * c84 + c86 = c85 * c85 + c87 = c86 * c86 + c88 = c87 * c87 + c89 = c88 * c88 + c90 = c89 * c89 + c91 = c90 * c90 + c92 = c91 * c91 + c93 = c92 * c92 + c94 = c93 * c93 + c95 = c94 * c94 + c96 = c95 * c95 + c97 = c96 * c96 + c98 = c97 * c97 + c99 = c98 * c98 + c100 = c99 * c99 +) + +func main() { + println(c1 / c1) + println(c2 / c2) + println(c3 / c3) + println(c4 / c4) + println(c5 / c5) + println(c6 / c6) + println(c7 / c7) + println(c8 / c8) + println(c9 / c9) + println(c10 / c10) + println(c20 / c20) + println(c30 / c30) + println(c40 / c40) + println(c50 / c50) + println(c60 / c60) + println(c70 / c70) + println(c80 / c80) + println(c90 / c90) + println(c100 / c100) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7760.go b/gcc/testsuite/go.test/test/fixedbugs/issue7760.go new file mode 100644 index 00000000000..7e1d03596eb --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7760.go @@ -0,0 +1,25 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Verify that pointers can't be used as constants. + +package main + +import "unsafe" + +type myPointer unsafe.Pointer + +const _ = unsafe.Pointer(uintptr(1)) // ERROR "is not (a )?constant|invalid constant type" +const _ = myPointer(uintptr(1)) // ERROR "is not (a )?constant|invalid constant type" + +const _ = (*int)(unsafe.Pointer(uintptr(1))) // ERROR "is not (a )?constant|invalid constant type" +const _ = (*int)(myPointer(uintptr(1))) // ERROR "is not (a )?constant|invalid constant type" + +const _ = uintptr(unsafe.Pointer(uintptr(1))) // ERROR "is not (a )?constant|expression is not constant" +const _ = uintptr(myPointer(uintptr(1))) // ERROR "is not (a )?constant|expression is no constant" + +const _ = []byte("") // ERROR "is not (a )?constant|invalid constant type" +const _ = []rune("") // ERROR "is not (a )?constant|invalid constant type" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7794.go b/gcc/testsuite/go.test/test/fixedbugs/issue7794.go new file mode 100644 index 00000000000..f31de94079e --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7794.go @@ -0,0 +1,12 @@ +// compile + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func main() { + var a [10]int + const ca = len(a) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7863.go b/gcc/testsuite/go.test/test/fixedbugs/issue7863.go new file mode 100644 index 00000000000..da2ed05ba00 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7863.go @@ -0,0 +1,60 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "fmt" +) + +type Foo int64 + +func (f *Foo) F() int64 { + return int64(*f) +} + +type Bar int64 + +func (b Bar) F() int64 { + return int64(b) +} + +type Baz int32 + +func (b Baz) F() int64 { + return int64(b) +} + +func main() { + foo := Foo(123) + f := foo.F + if foo.F() != f() { + bug() + fmt.Println("foo.F", foo.F(), f()) + } + bar := Bar(123) + f = bar.F + if bar.F() != f() { + bug() + fmt.Println("bar.F", bar.F(), f()) // duh! + } + + baz := Baz(123) + f = baz.F + if baz.F() != f() { + bug() + fmt.Println("baz.F", baz.F(), f()) + } +} + +var bugged bool + +func bug() { + if !bugged { + bugged = true + fmt.Println("BUG") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7867.go b/gcc/testsuite/go.test/test/fixedbugs/issue7867.go new file mode 100644 index 00000000000..166506e721c --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7867.go @@ -0,0 +1,43 @@ +// runoutput + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 7867. + +package main + +import "fmt" + +const tpl = ` +func Test%d(t %s) { + _ = t + _ = t +} +` + +func main() { + fmt.Println("package main") + types := []string{ + // These types always passed + "bool", "int", "rune", + "*int", "uintptr", + "float32", "float64", + "chan struct{}", + "map[string]struct{}", + "func()", "func(string)error", + + // These types caused compilation failures + "complex64", "complex128", + "struct{}", "struct{n int}", "struct{e error}", "struct{m map[string]string}", + "string", + "[4]byte", + "[]byte", + "interface{}", "error", + } + for i, typ := range types { + fmt.Printf(tpl, i, typ) + } + fmt.Println("func main() {}") +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7884.go b/gcc/testsuite/go.test/test/fixedbugs/issue7884.go new file mode 100644 index 00000000000..ab7a858e546 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7884.go @@ -0,0 +1,15 @@ +// compile + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import "fmt" + +func main() { + var ii interface{} = 5 + zz, err := ii.(interface{}) + fmt.Println(zz, err) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7921.go b/gcc/testsuite/go.test/test/fixedbugs/issue7921.go new file mode 100644 index 00000000000..5dce557ca33 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7921.go @@ -0,0 +1,57 @@ +// +build !gcflags_noopt +// errorcheck -0 -m + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package foo + +import "bytes" + +// In order to get desired results, we need a combination of +// both escape analysis and inlining. + +func bufferNotEscape() string { + // b itself does not escape, only its buf field will be + // copied during String() call, but object "handle" itself + // can be stack-allocated. + var b bytes.Buffer + b.WriteString("123") + b.Write([]byte{'4'}) // ERROR "\[\]byte{...} does not escape$" + return b.String() // ERROR "inlining call to bytes.\(\*Buffer\).String$" "string\(bytes.b.buf\[bytes.b.off:\]\) escapes to heap$" +} + +func bufferNoEscape2(xs []string) int { // ERROR "xs does not escape$" + b := bytes.NewBuffer(make([]byte, 0, 64)) // ERROR "&bytes.Buffer{...} does not escape$" "make\(\[\]byte, 0, 64\) does not escape$" "inlining call to bytes.NewBuffer$" + for _, x := range xs { + b.WriteString(x) + } + return b.Len() // ERROR "inlining call to bytes.\(\*Buffer\).Len$" +} + +func bufferNoEscape3(xs []string) string { // ERROR "xs does not escape$" + b := bytes.NewBuffer(make([]byte, 0, 64)) // ERROR "&bytes.Buffer{...} does not escape$" "make\(\[\]byte, 0, 64\) does not escape$" "inlining call to bytes.NewBuffer$" + for _, x := range xs { + b.WriteString(x) + b.WriteByte(',') + } + return b.String() // ERROR "inlining call to bytes.\(\*Buffer\).String$" "string\(bytes.b.buf\[bytes.b.off:\]\) escapes to heap$" +} + +func bufferNoEscape4() []byte { + var b bytes.Buffer + b.Grow(64) // ERROR "bufferNoEscape4 ignoring self-assignment in bytes.b.buf = bytes.b.buf\[:bytes.m·3\]$" "inlining call to bytes.\(\*Buffer\).Grow$" + useBuffer(&b) + return b.Bytes() // ERROR "inlining call to bytes.\(\*Buffer\).Bytes$" +} + +func bufferNoEscape5() { // ERROR "can inline bufferNoEscape5$" + b := bytes.NewBuffer(make([]byte, 0, 128)) // ERROR "&bytes.Buffer{...} does not escape$" "make\(\[\]byte, 0, 128\) does not escape$" "inlining call to bytes.NewBuffer$" + useBuffer(b) +} + +//go:noinline +func useBuffer(b *bytes.Buffer) { // ERROR "b does not escape$" + b.WriteString("1234") +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7944.go b/gcc/testsuite/go.test/test/fixedbugs/issue7944.go new file mode 100644 index 00000000000..960065b623b --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7944.go @@ -0,0 +1,40 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 7944: +// Liveness bitmaps said b was live at call to g, +// but no one told the register optimizer. + +package main + +import "runtime" + +func f(b []byte) { + for len(b) > 0 { + n := len(b) + n = f1(n) + f2(b[n:]) + b = b[n:] + } + g() +} + +func f1(n int) int { + runtime.GC() + return n +} + +func f2(b []byte) { + runtime.GC() +} + +func g() { + runtime.GC() +} + +func main() { + f(make([]byte, 100)) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7995.go b/gcc/testsuite/go.test/test/fixedbugs/issue7995.go new file mode 100644 index 00000000000..af77a6d164d --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7995.go @@ -0,0 +1,25 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 7995: globals not flushed quickly enough. + +package main + +import "fmt" + +var ( + p = 1 + q = &p +) + +func main() { + p = 50 + *q = 100 + s := fmt.Sprintln(p, *q) + if s != "100 100\n" { + println("BUG:", s) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7995b.dir/x1.go b/gcc/testsuite/go.test/test/fixedbugs/issue7995b.dir/x1.go new file mode 100644 index 00000000000..bafecf52a9c --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7995b.dir/x1.go @@ -0,0 +1,12 @@ +package x1 + +import "fmt" + +var P int + +//go:noinline +func F(x *int) string { + P = 50 + *x = 100 + return fmt.Sprintln(P, *x) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7995b.dir/x2.go b/gcc/testsuite/go.test/test/fixedbugs/issue7995b.dir/x2.go new file mode 100644 index 00000000000..eea23eabba2 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7995b.dir/x2.go @@ -0,0 +1,10 @@ +package main + +import "./x1" + +func main() { + s := x1.F(&x1.P) + if s != "100 100\n" { + println("BUG:", s) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7995b.go b/gcc/testsuite/go.test/test/fixedbugs/issue7995b.go new file mode 100644 index 00000000000..2f57371e379 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7995b.go @@ -0,0 +1,9 @@ +// rundir + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 7995: globals not flushed quickly enough. + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7996.go b/gcc/testsuite/go.test/test/fixedbugs/issue7996.go new file mode 100644 index 00000000000..1ee6fc709c4 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7996.go @@ -0,0 +1,14 @@ +// compile + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// /tmp/x.go:5: illegal constant expression: bool == interface {} + +package p + +var m = map[interface{}]struct{}{ + nil: {}, + true: {}, +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7997.go b/gcc/testsuite/go.test/test/fixedbugs/issue7997.go new file mode 100644 index 00000000000..a342189a1f6 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7997.go @@ -0,0 +1,53 @@ +// compile + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// /tmp/x.go:3: internal error: f &p (type *int) recorded as live on entry + +package p + +func f(ch chan int) *int { + select { + case p1x := <-ch: + return &p1x + default: + // ok + } + select { + case p1 := <-ch: + return &p1 + default: + // ok + } + select { + case p2 := <-ch: + return &p2 + case p3 := <-ch: + return &p3 + default: + // ok + } + select { + case p4, ok := <-ch: + if ok { + return &p4 + } + default: + // ok + } + select { + case p5, ok := <-ch: + if ok { + return &p5 + } + case p6, ok := <-ch: + if !ok { + return &p6 + } + default: + // ok + } + return nil +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue7998.go b/gcc/testsuite/go.test/test/fixedbugs/issue7998.go new file mode 100644 index 00000000000..8da39e86f26 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue7998.go @@ -0,0 +1,23 @@ +// compile + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// /tmp/x.go:5: cannot use _ as value + +package p + +func f(ch chan int) bool { + select { + case _, ok := <-ch: + return ok + } + _, ok := <-ch + _ = ok + select { + case _, _ = <-ch: + return true + } + return false +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8004.go b/gcc/testsuite/go.test/test/fixedbugs/issue8004.go new file mode 100644 index 00000000000..548ee1c72bd --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8004.go @@ -0,0 +1,59 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "reflect" + "runtime" + "unsafe" +) + +func main() { + test1() + test2() +} + +func test1() { + var all []interface{} + for i := 0; i < 100; i++ { + p := new([]int) + *p = append(*p, 1, 2, 3, 4) + h := (*reflect.SliceHeader)(unsafe.Pointer(p)) + all = append(all, h, p) + } + runtime.GC() + for i := 0; i < 100; i++ { + p := *all[2*i+1].(*[]int) + if p[0] != 1 || p[1] != 2 || p[2] != 3 || p[3] != 4 { + println("BUG test1: bad slice at index", i, p[0], p[1], p[2], p[3]) + return + } + } +} + +type T struct { + H *reflect.SliceHeader + P *[]int +} + +func test2() { + var all []T + for i := 0; i < 100; i++ { + p := new([]int) + *p = append(*p, 1, 2, 3, 4) + h := (*reflect.SliceHeader)(unsafe.Pointer(p)) + all = append(all, T{H: h}, T{P: p}) + } + runtime.GC() + for i := 0; i < 100; i++ { + p := *all[2*i+1].P + if p[0] != 1 || p[1] != 2 || p[2] != 3 || p[3] != 4 { + println("BUG test2: bad slice at index", i, p[0], p[1], p[2], p[3]) + return + } + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8011.go b/gcc/testsuite/go.test/test/fixedbugs/issue8011.go new file mode 100644 index 00000000000..57af2a9b1f6 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8011.go @@ -0,0 +1,18 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func main() { + c := make(chan chan int, 1) + c1 := make(chan int, 1) + c1 <- 42 + c <- c1 + x := <-<-c + if x != 42 { + println("BUG:", x, "!= 42") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8017.go b/gcc/testsuite/go.test/test/fixedbugs/issue8017.go new file mode 100644 index 00000000000..9afcdf0046b --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8017.go @@ -0,0 +1,26 @@ +// compile + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issues 8017 and 8058: walk modifies nodes generated +// by slicelit and causes an internal error afterwards +// when gen_as_init parses it back. + +package main + +func F() { + var ch chan int + select { + case <-ch: + case <-make(chan int, len([2][]int{([][]int{})[len(ch)], []int{}})): + } +} + +func G() { + select { + case <-([1][]chan int{[]chan int{}})[0][0]: + default: + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8028.go b/gcc/testsuite/go.test/test/fixedbugs/issue8028.go new file mode 100644 index 00000000000..9f2649a5e32 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8028.go @@ -0,0 +1,27 @@ +// compile + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 8028. Used to fail in -race mode with "non-orig name" error. + +package p + +var ( + t2 = T{F, "s1"} + t1 = T{F, "s2"} + + tt = [...]T{t1, t2} +) + +type I interface{} + +type T struct { + F func() I + S string +} + +type E struct{} + +func F() I { return new(E) } diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8036.go b/gcc/testsuite/go.test/test/fixedbugs/issue8036.go new file mode 100644 index 00000000000..82ba7f7dafe --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8036.go @@ -0,0 +1,45 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 8036. Stores necessary for stack scan being eliminated as redundant by optimizer. + +package main + +import "runtime" + +type T struct { + X *int + Y *int + Z *int +} + +type TI [3]uintptr + +//go:noinline +func G() (t TI) { + t[0] = 1 + t[1] = 2 + t[2] = 3 + return +} + +//go:noinline +func F() (t T) { + t.X = newint() + t.Y = t.X + t.Z = t.Y + return +} + +func newint() *int { + runtime.GC() + return nil +} + +func main() { + G() // leave non-pointers where F's return values go + F() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8039.go b/gcc/testsuite/go.test/test/fixedbugs/issue8039.go new file mode 100644 index 00000000000..ee00c60d3e5 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8039.go @@ -0,0 +1,23 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// issue 8039. defer copy(x, <-c) did not rewrite <-c properly. + +package main + +func f(s []int) { + c := make(chan []int, 1) + c <- []int{1} + defer copy(s, <-c) +} + +func main() { + x := make([]int, 1) + f(x) + if x[0] != 1 { + println("BUG", x[0]) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8047.go b/gcc/testsuite/go.test/test/fixedbugs/issue8047.go new file mode 100644 index 00000000000..5ac4a0ef925 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8047.go @@ -0,0 +1,29 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 8047. Stack copier shouldn't crash if there +// is a nil defer. + +package main + +func stackit(n int) { + if n == 0 { + return + } + stackit(n - 1) +} + +func main() { + defer func() { + // catch & ignore panic from nil defer below + err := recover() + if err == nil { + panic("defer of nil func didn't panic") + } + }() + defer ((func())(nil))() + stackit(1000) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8047b.go b/gcc/testsuite/go.test/test/fixedbugs/issue8047b.go new file mode 100644 index 00000000000..5eaf9c5bacc --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8047b.go @@ -0,0 +1,26 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 8047. Defer setup during panic shouldn't crash for nil defer. + +package main + +func main() { + defer func() { + // This recover recovers the panic caused by the nil defer func + // g(). The original panic(1) was already aborted/replaced by this + // new panic, so when this recover is done, the program completes + // normally. + recover() + }() + f() +} + +func f() { + var g func() + defer g() + panic(1) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8048.go b/gcc/testsuite/go.test/test/fixedbugs/issue8048.go new file mode 100644 index 00000000000..577f60670fe --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8048.go @@ -0,0 +1,107 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 8048. Incorrect handling of liveness when walking stack +// containing faulting frame. + +package main + +import "runtime" + +func main() { + test1() + test2() + test3() +} + +func test1() { + // test1f will panic without its own defer. + // The runtime.GC checks that we can walk the stack + // at that point and not get confused. + // The recover lets test1 exit normally. + defer func() { + runtime.GC() + recover() + }() + test1f() +} + +func test1f() { + // Because b == false, the if does not execute, + // so x == nil, so the println(*x) faults reading + // from nil. The compiler will lay out the code + // so that the if body occurs above the *x, + // so if the liveness info at the *x is used, it will + // find the liveness at the call to runtime.GC. + // It will think y is live, but y is uninitialized, + // and the runtime will crash detecting a bad slice. + // The runtime should see that there are no defers + // corresponding to this panicked frame and ignore + // the frame entirely. + var x *int + var b bool + if b { + y := make([]int, 1) + runtime.GC() + x = &y[0] + } + println(*x) +} + +func test2() { + // Same as test1, but the fault happens in the function with the defer. + // The runtime should see the defer and garbage collect the frame + // as if the PC were immediately after the defer statement. + defer func() { + runtime.GC() + recover() + }() + var x *int + var b bool + if b { + y := make([]int, 1) + runtime.GC() + x = &y[0] + } + println(*x) +} + +func test3() { + // Like test1 but avoid array index, which does not + // move to end of function on ARM. + defer func() { + runtime.GC() + recover() + }() + test3setup() + test3f() +} + +func test3setup() { + var x uintptr + var b bool + b = true + if b { + y := uintptr(123) + runtime.GC() + x = y + } + runtime.GC() + globl = x +} + +var globl uintptr + +func test3f() { + var x *int + var b bool + if b { + y := new(int) + runtime.GC() + x = y + } + println(*x) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8060.dir/a.go b/gcc/testsuite/go.test/test/fixedbugs/issue8060.dir/a.go new file mode 100644 index 00000000000..22ba69ee1be --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8060.dir/a.go @@ -0,0 +1,7 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package a + +var A = []*[2][1]float64{} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8060.dir/b.go b/gcc/testsuite/go.test/test/fixedbugs/issue8060.dir/b.go new file mode 100644 index 00000000000..85fb6ec7db7 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8060.dir/b.go @@ -0,0 +1,13 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package b + +import "a" + +var X = a.A + +func b() { + _ = [3][1]float64{} +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8060.go b/gcc/testsuite/go.test/test/fixedbugs/issue8060.go new file mode 100644 index 00000000000..ec52659e6ea --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8060.go @@ -0,0 +1,9 @@ +// compiledir + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 8060: internal compiler error. + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8073.go b/gcc/testsuite/go.test/test/fixedbugs/issue8073.go new file mode 100644 index 00000000000..d47481cd822 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8073.go @@ -0,0 +1,15 @@ +// compile + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// issue 8073. +// was "internal compiler error: overflow: float64 integer constant" + +package main + +func main() { + var x int + _ = float64(x * 0) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8074.go b/gcc/testsuite/go.test/test/fixedbugs/issue8074.go new file mode 100644 index 00000000000..604a4f924e3 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8074.go @@ -0,0 +1,16 @@ +// compile + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// issue 8074. +// was "cannot take the address of 1" + +package main + +func main() { + a := make([]byte, 10) + m := make(map[float64][]byte) + go copy(a, m[1.0]) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8076.go b/gcc/testsuite/go.test/test/fixedbugs/issue8076.go new file mode 100644 index 00000000000..543ccc13018 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8076.go @@ -0,0 +1,17 @@ +// compile + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 8076. nilwalkfwd walked forward forever +// on the instruction loop following the dereference. + +package main + +func main() { + _ = *(*int)(nil) +L: + _ = 0 + goto L +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8079.go b/gcc/testsuite/go.test/test/fixedbugs/issue8079.go new file mode 100644 index 00000000000..994999bf6fb --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8079.go @@ -0,0 +1,11 @@ +// compile + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 8079: gccgo crashes when compiling interface with blank type name. + +package p + +type _ interface{} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8132.go b/gcc/testsuite/go.test/test/fixedbugs/issue8132.go new file mode 100644 index 00000000000..b28a84cd5a7 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8132.go @@ -0,0 +1,32 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// issue 8132. stack walk handling of panic stack was confused +// about what was legal. + +package main + +import "runtime" + +var p *int + +func main() { + func() { + defer func() { + runtime.GC() + recover() + }() + var x [8192]byte + func(x [8192]byte) { + defer func() { + if err := recover(); err != nil { + println(*p) + } + }() + println(*p) + }(x) + }() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8139.go b/gcc/testsuite/go.test/test/fixedbugs/issue8139.go new file mode 100644 index 00000000000..6e5607d22f8 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8139.go @@ -0,0 +1,50 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 8139. The x.(T) assertions used to write 1 (unexpected) +// return byte for the 0-byte return value T. + +package main + +import "fmt" + +type T struct{} + +func (T) M() {} + +type M interface { + M() +} + +var e interface{} = T{} +var i M = T{} +var b bool + +func f1() int { + if b { + return f1() // convince inliner not to inline + } + z := 0x11223344 + _ = e.(T) + return z +} + +func f2() int { + if b { + return f1() // convince inliner not to inline + } + z := 0x11223344 + _ = i.(T) + return z +} + +func main() { + x := f1() + y := f2() + if x != 0x11223344 || y != 0x11223344 { + fmt.Printf("BUG: x=%#x y=%#x, want 0x11223344 for both\n", x, y) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8154.go b/gcc/testsuite/go.test/test/fixedbugs/issue8154.go new file mode 100644 index 00000000000..3ffad34aeea --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8154.go @@ -0,0 +1,14 @@ +// compile + +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 8154: cmd/5g: ICE in walkexpr walk.c + +package main + +func main() { + c := make(chan int) + _ = [1][]func(){[]func(){func() { <-c }}} +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8155.go b/gcc/testsuite/go.test/test/fixedbugs/issue8155.go new file mode 100644 index 00000000000..56a67389206 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8155.go @@ -0,0 +1,48 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 8155. +// Alignment of stack prologue zeroing was wrong on 64-bit Native Client +// (because of 32-bit pointers). + +package main + +import "runtime" + +func bad(b bool) uintptr { + var p **int + var x1 uintptr + x1 = 1 + if b { + var x [11]*int + p = &x[0] + } + if b { + var x [1]*int + p = &x[0] + } + runtime.GC() + if p != nil { + x1 = uintptr(**p) + } + return x1 +} + +func poison() uintptr { + runtime.GC() + var x [20]uintptr + var s uintptr + for i := range x { + x[i] = uintptr(i+1) + s += x[i] + } + return s +} + +func main() { + poison() + bad(false) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8158.go b/gcc/testsuite/go.test/test/fixedbugs/issue8158.go new file mode 100644 index 00000000000..150b338bbe7 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8158.go @@ -0,0 +1,41 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "runtime" + "time" +) + +func main() { + c := make(chan bool, 1) + go f1(c) + <-c + time.Sleep(10 * time.Millisecond) + go f2(c) + <-c +} + +func f1(done chan bool) { + defer func() { + recover() + done <- true + runtime.Goexit() // left stack-allocated Panic struct on gp->panic stack + }() + panic("p") +} + +func f2(done chan bool) { + defer func() { + recover() + done <- true + runtime.Goexit() + }() + time.Sleep(10 * time.Millisecond) // overwrote Panic struct with Timer struct + runtime.GC() // walked gp->panic list, found mangled Panic struct, crashed + panic("p") +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8183.go b/gcc/testsuite/go.test/test/fixedbugs/issue8183.go new file mode 100644 index 00000000000..caac6673461 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8183.go @@ -0,0 +1,23 @@ +// errorcheck + +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Tests correct reporting of line numbers for errors involving iota, +// Issue #8183. +package foo + +const ( + ok = byte(iota + 253) + bad + barn + bard // ERROR "constant 256 overflows byte|integer constant overflow" +) + +const ( + c = len([1 - iota]int{}) + d + e // ERROR "array bound must be non-negative|negative array bound" + f // ERROR "array bound must be non-negative|negative array bound" +) diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8280.dir/a.go b/gcc/testsuite/go.test/test/fixedbugs/issue8280.dir/a.go new file mode 100644 index 00000000000..588536e79a6 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8280.dir/a.go @@ -0,0 +1,3 @@ +package a + +var Bar = func() (_ int) { return 0 } diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8280.dir/b.go b/gcc/testsuite/go.test/test/fixedbugs/issue8280.dir/b.go new file mode 100644 index 00000000000..c46c554588b --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8280.dir/b.go @@ -0,0 +1,5 @@ +package b + +import "./a" + +var foo = a.Bar diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8280.go b/gcc/testsuite/go.test/test/fixedbugs/issue8280.go new file mode 100644 index 00000000000..91256c852df --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8280.go @@ -0,0 +1,9 @@ +// compiledir + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 8280: cannot import package exporting a func var returning a result named _ + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8311.go b/gcc/testsuite/go.test/test/fixedbugs/issue8311.go new file mode 100644 index 00000000000..b5fd5daea1d --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8311.go @@ -0,0 +1,16 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// issue 8311. +// error for x++ should say x++ not x += 1 + +package p + +func f() { + var x []byte + x++ // ERROR "invalid operation: x[+][+]|non-numeric type" + +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8325.go b/gcc/testsuite/go.test/test/fixedbugs/issue8325.go new file mode 100644 index 00000000000..6b0fc2570e3 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8325.go @@ -0,0 +1,31 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 8325: corrupted byte operations during optimization +// pass. + +package main + +const alphanum = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ" + +func main() { + var bytes = []byte{10, 20, 30, 40, 50} + + for i, b := range bytes { + bytes[i] = alphanum[b%byte(len(alphanum))] + } + + for _, b := range bytes { + switch { + case '0' <= b && b <= '9', + 'A' <= b && b <= 'Z': + default: + println("found a bad character", string(b)) + panic("BUG") + } + + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8336.go b/gcc/testsuite/go.test/test/fixedbugs/issue8336.go new file mode 100644 index 00000000000..419fdf16272 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8336.go @@ -0,0 +1,29 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 8336. Order of evaluation of receive channels in select. + +package main + +type X struct { + c chan int +} + +func main() { + defer func() { + recover() + }() + var x *X + select { + case <-x.c: // should fault and panic before foo is called + case <-foo(): + } +} + +func foo() chan int { + println("BUG: foo must not be called") + return make(chan int) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8347.go b/gcc/testsuite/go.test/test/fixedbugs/issue8347.go new file mode 100644 index 00000000000..6394a958166 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8347.go @@ -0,0 +1,27 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func main() { + c := make(chan bool, 1) + ok := true + for i := 0; i < 12; i++ { + select { + case _, ok = <-c: + if i < 10 && !ok { + panic("BUG") + } + default: + } + if i < 10 && !ok { + panic("BUG") + } + if i >= 10 && ok { + close(c) + } + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8385.go b/gcc/testsuite/go.test/test/fixedbugs/issue8385.go new file mode 100644 index 00000000000..f3d395e5217 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8385.go @@ -0,0 +1,42 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 8385: provide a more descriptive error when a method expression +// is called without a receiver. + +package main + +type Fooer interface { + Foo(i, j int) +} + +func f(x int) { +} + +type I interface { + M(int) +} +type T struct{} + +func (t T) M(x int) { +} + +func g() func(int) + +func main() { + Fooer.Foo(5, 6) // ERROR "not enough arguments in call to method expression Fooer.Foo|incompatible type|not enough arguments" + + var i I + var t *T + + g()() // ERROR "not enough arguments in call to g\(\)|not enough arguments" + f() // ERROR "not enough arguments in call to f|not enough arguments" + i.M() // ERROR "not enough arguments in call to i\.M|not enough arguments" + I.M() // ERROR "not enough arguments in call to method expression I\.M|not enough arguments" + t.M() // ERROR "not enough arguments in call to t\.M|not enough arguments" + T.M() // ERROR "not enough arguments in call to method expression T\.M|not enough arguments" + (*T).M() // ERROR "not enough arguments in call to method expression \(\*T\)\.M|not enough arguments" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8438.go b/gcc/testsuite/go.test/test/fixedbugs/issue8438.go new file mode 100644 index 00000000000..f433e36924a --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8438.go @@ -0,0 +1,17 @@ +// errorcheck + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check that we don't print duplicate errors for string -> +// array-literal conversion + +package main + +func main() { + _ = []byte{"foo"} // ERROR "cannot use|incompatible type" + _ = []int{"foo"} // ERROR "cannot use|incompatible type" + _ = []rune{"foo"} // ERROR "cannot use|incompatible type" + _ = []string{"foo"} // OK +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8440.go b/gcc/testsuite/go.test/test/fixedbugs/issue8440.go new file mode 100644 index 00000000000..e9c5b54d51d --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8440.go @@ -0,0 +1,11 @@ +// errorcheck + +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func main() { + n.foo = 6 // ERROR "undefined: n in n.foo|undefined name .*n" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8475.go b/gcc/testsuite/go.test/test/fixedbugs/issue8475.go new file mode 100644 index 00000000000..5b22067bfee --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8475.go @@ -0,0 +1,25 @@ +// build + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 8745: comma-ok assignments should produce untyped bool as 2nd result. + +package main + +type mybool bool + +func main() { + var ok mybool + _ = ok + + var i interface{} + _, ok = i.(int) + + var m map[int]int + _, ok = m[0] + + var c chan int + _, ok = <-c +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8501.go b/gcc/testsuite/go.test/test/fixedbugs/issue8501.go new file mode 100644 index 00000000000..90ba096be37 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8501.go @@ -0,0 +1,18 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +type T struct { + f float64 +} + +var t T + +func F() { + _ = complex(1.0) // ERROR "invalid operation|not enough arguments" + _ = complex(t.f) // ERROR "invalid operation|not enough arguments" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8613.go b/gcc/testsuite/go.test/test/fixedbugs/issue8613.go new file mode 100644 index 00000000000..ffa75a48a09 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8613.go @@ -0,0 +1,38 @@ +// run + +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +var out int +var zero int + +func main() { + wantPanic("test1", func() { + out = 1 / zero + }) + wantPanic("test2", func() { + _ = 1 / zero + }) + wantPanic("test3", func() { + v := 0 + _ = 1 / v + }) + wantPanic("test4", func() { divby(0) }) +} + +func wantPanic(test string, fn func()) { + defer func() { + if e := recover(); e == nil { + panic(test + ": expected panic") + } + }() + fn() +} + +//go:noinline +func divby(v int) { + _ = 1 / v +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8620.go b/gcc/testsuite/go.test/test/fixedbugs/issue8620.go new file mode 100644 index 00000000000..47546045eaf --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8620.go @@ -0,0 +1,30 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 8620. Used to fail with -race. + +package main + +func min(a, b int) int { + if a < b { + return a + } + return b +} + +func test(s1, s2 []struct{}) { + n := min(len(s1), len(s2)) + if copy(s1, s2) != n { + panic("bad copy result") + } +} + +func main() { + var b [100]struct{} + test(b[:], b[:]) + test(b[1:], b[:]) + test(b[:], b[2:]) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8745.go b/gcc/testsuite/go.test/test/fixedbugs/issue8745.go new file mode 100644 index 00000000000..fee2ca7ce05 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8745.go @@ -0,0 +1,13 @@ +// errorcheck + +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check that the error says s[2] is a byte, not a uint8. + +package p + +func f(s string) { + var _ float64 = s[2] // ERROR "cannot use.*type byte.*as type float64" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8761.go b/gcc/testsuite/go.test/test/fixedbugs/issue8761.go new file mode 100644 index 00000000000..7f458f7f033 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8761.go @@ -0,0 +1,26 @@ +// compile + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// issue 8761 +// used to confuse code generator into using temporary before initialization. +// caused 'variable live at entry' error in liveness analysis. + +package p + +func _() { + type C chan int + _ = [1][]C{[]C{make(chan int)}} +} + +func _() { + type C interface{} + _ = [1][]C{[]C{recover()}} +} + +func _() { + type C *int + _ = [1][]C{[]C{new(int)}} +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8836.go b/gcc/testsuite/go.test/test/fixedbugs/issue8836.go new file mode 100644 index 00000000000..039b9c7eb3b --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8836.go @@ -0,0 +1,24 @@ +// errorcheck + +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Checking that line number is correct in error message. + +package main + +type Cint int + +func foobar(*Cint, Cint, Cint, *Cint) + +func main() { + a := Cint(1) + + foobar( + &a, + 0, + 0, + 42, // ERROR ".*" + ) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8947.go b/gcc/testsuite/go.test/test/fixedbugs/issue8947.go new file mode 100644 index 00000000000..703207db39f --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8947.go @@ -0,0 +1,53 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Some uses of zeroed constants in non-assignment +// expressions broke with our more aggressive zeroing +// of assignments (internal compiler errors). + +package main + +func f1() { + type T [2]int + p := T{0, 1} + switch p { + case T{0, 0}: + panic("wrong1") + case T{0, 1}: + // ok + default: + panic("wrong2") + } + + if p == (T{0, 0}) { + panic("wrong3") + } else if p == (T{0, 1}) { + // ok + } else { + panic("wrong4") + } +} + +type T struct { + V int +} + +var X = T{}.V + +func f2() { + var x = T{}.V + if x != 0 { + panic("wrongx") + } + if X != 0 { + panic("wrongX") + } +} + +func main() { + f1() + f2() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue8961.go b/gcc/testsuite/go.test/test/fixedbugs/issue8961.go new file mode 100644 index 00000000000..22b0f0410a9 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue8961.go @@ -0,0 +1,20 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 8961. Empty composite literals to small globals were not filled in +package main + +type small struct { a int } +var foo small + +func main() { + foo.a = 1 + foo = small{} + if foo.a != 0 { + println("expected foo.a to be 0, was", foo.a) + panic("composite literal not filled in") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue9006.go b/gcc/testsuite/go.test/test/fixedbugs/issue9006.go new file mode 100644 index 00000000000..a61574b6f02 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue9006.go @@ -0,0 +1,37 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +type T1 struct { + X int +} + +func NewT1(x int) T1 { return T1{x} } + +type T2 int + +func NewT2(x int) T2 { return T2(x) } + +func main() { + switch (T1{}) { + case NewT1(1): + panic("bad1") + case NewT1(0): + // ok + default: + panic("bad2") + } + + switch T2(0) { + case NewT2(2): + panic("bad3") + case NewT2(0): + // ok + default: + panic("bad4") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue9017.go b/gcc/testsuite/go.test/test/fixedbugs/issue9017.go new file mode 100644 index 00000000000..5659785c3f0 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue9017.go @@ -0,0 +1,57 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 9017: Method selector shouldn't automatically dereference a named pointer type. + +package main + +type T struct{ x int } + +func (T) mT() {} + +type S struct { + T +} + +func (S) mS() {} + +type P *S + +type I interface { + mT() +} + +func main() { + var s S + s.T.mT() + s.mT() // == s.T.mT() + + var i I + _ = i + i = s.T + i = s + + var ps = &s + ps.mS() + ps.T.mT() + ps.mT() // == ps.T.mT() + + i = ps.T + i = ps + + var p P = ps + (*p).mS() + p.mS() // ERROR "undefined" + + i = *p + i = p // ERROR "cannot use|incompatible types" + + p.T.mT() + p.mT() // ERROR "undefined" + + i = p.T + i = p // ERROR "cannot use|incompatible types" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue9036.go b/gcc/testsuite/go.test/test/fixedbugs/issue9036.go new file mode 100644 index 00000000000..e3d394f7f29 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue9036.go @@ -0,0 +1,31 @@ +// errorcheck + +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Expects to see error messages on 'p' exponents +// for non-hexadecimal floats. + +package main + +import "fmt" + +const ( + x1 = 1.1 // float + x2 = 1e10 // float + x3 = 0x1e10 // integer (e is a hex digit) +) + +const x4 = 0x1p10 // valid hexadecimal float +const x5 = 1p10 // ERROR "'p' exponent requires hexadecimal mantissa|invalid prefix" +const x6 = 0P0 // ERROR "'P' exponent requires hexadecimal mantissa|invalid prefix" + +func main() { + fmt.Printf("%g %T\n", x1, x1) + fmt.Printf("%g %T\n", x2, x2) + fmt.Printf("%g %T\n", x3, x3) + fmt.Printf("%g %T\n", x4, x4) + fmt.Printf("%g %T\n", x5, x5) + fmt.Printf("%g %T\n", x6, x6) +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue9076.go b/gcc/testsuite/go.test/test/fixedbugs/issue9076.go new file mode 100644 index 00000000000..1613d5ede39 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue9076.go @@ -0,0 +1,15 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 9076: cmd/gc shows computed values in error messages instead of original expression. + +package main + +import "unsafe" + +const Hundred = 100 +var _ int32 = 100/unsafe.Sizeof(int(0)) + 1 // ERROR "100 \/ unsafe.Sizeof\(int\(0\)\) \+ 1|incompatible type" +var _ int32 = Hundred/unsafe.Sizeof(int(0)) + 1 // ERROR "Hundred \/ unsafe.Sizeof\(int\(0\)\) \+ 1|incompatible type" diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue9083.go b/gcc/testsuite/go.test/test/fixedbugs/issue9083.go new file mode 100644 index 00000000000..d4762f802e0 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue9083.go @@ -0,0 +1,23 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 9083: map/chan error messages show non-explicit capacity. + +package main + +// untyped constant +const zero = 0 + +func main() { + var x int + x = make(map[int]int) // ERROR "cannot use make\(map\[int\]int\)|incompatible" + x = make(map[int]int, 0) // ERROR "cannot use make\(map\[int\]int, 0\)|incompatible" + x = make(map[int]int, zero) // ERROR "cannot use make\(map\[int\]int, zero\)|incompatible" + x = make(chan int) // ERROR "cannot use make\(chan int\)|incompatible" + x = make(chan int, 0) // ERROR "cannot use make\(chan int, 0\)|incompatible" + x = make(chan int, zero) // ERROR "cannot use make\(chan int, zero\)|incompatible" + _ = x +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue9110.go b/gcc/testsuite/go.test/test/fixedbugs/issue9110.go new file mode 100644 index 00000000000..086be772be6 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue9110.go @@ -0,0 +1,91 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Scenario that used to leak arbitrarily many SudoG structs. +// See golang.org/issue/9110. + +package main + +import ( + "runtime" + "runtime/debug" + "sync" + "time" +) + +func main() { + runtime.GOMAXPROCS(1) + debug.SetGCPercent(1000000) // only GC when we ask for GC + + var stats, stats1, stats2 runtime.MemStats + + release := func() {} + for i := 0; i < 20; i++ { + if i == 10 { + // Should be warmed up by now. + runtime.ReadMemStats(&stats1) + } + + c := make(chan int) + for i := 0; i < 10; i++ { + go func() { + select { + case <-c: + case <-c: + case <-c: + } + }() + } + time.Sleep(1 * time.Millisecond) + release() + + close(c) // let select put its sudog's into the cache + time.Sleep(1 * time.Millisecond) + + // pick up top sudog + var cond1 sync.Cond + var mu1 sync.Mutex + cond1.L = &mu1 + go func() { + mu1.Lock() + cond1.Wait() + mu1.Unlock() + }() + time.Sleep(1 * time.Millisecond) + + // pick up next sudog + var cond2 sync.Cond + var mu2 sync.Mutex + cond2.L = &mu2 + go func() { + mu2.Lock() + cond2.Wait() + mu2.Unlock() + }() + time.Sleep(1 * time.Millisecond) + + // put top sudog back + cond1.Broadcast() + time.Sleep(1 * time.Millisecond) + + // drop cache on floor + runtime.GC() + + // release cond2 after select has gotten to run + release = func() { + cond2.Broadcast() + time.Sleep(1 * time.Millisecond) + } + } + + runtime.GC() + + runtime.ReadMemStats(&stats2) + + if int(stats2.HeapObjects)-int(stats1.HeapObjects) > 20 { // normally at most 1 or 2; was 300 with leak + print("BUG: object leak: ", stats.HeapObjects, " -> ", stats1.HeapObjects, " -> ", stats2.HeapObjects, "\n") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue9321.go b/gcc/testsuite/go.test/test/fixedbugs/issue9321.go new file mode 100644 index 00000000000..2b2807a7b23 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue9321.go @@ -0,0 +1,37 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "bytes" + "runtime" + "runtime/pprof" + "sync" +) + +func test() { + var wg sync.WaitGroup + wg.Add(2) + test := func() { + for i := 0; i < 10; i++ { + buf := &bytes.Buffer{} + pprof.Lookup("goroutine").WriteTo(buf, 2) + } + wg.Done() + } + + go test() + go test() + wg.Wait() +} + +func main() { + runtime.GOMAXPROCS(4) + for i := 0; i < 10; i++ { + test() + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue9355.dir/a.go b/gcc/testsuite/go.test/test/fixedbugs/issue9355.dir/a.go new file mode 100644 index 00000000000..84500c8c011 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue9355.dir/a.go @@ -0,0 +1,16 @@ +package main + +var x struct { + a, b, c int64 + d struct{ p, q, r int32 } + e [8]byte + f [4]struct{ p, q, r int32 } +} + +var y = &x.b +var z = &x.d.q + +var b [10]byte +var c = &b[5] + +var w = &x.f[3].r diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue9355.go b/gcc/testsuite/go.test/test/fixedbugs/issue9355.go new file mode 100644 index 00000000000..ab3369d415d --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue9355.go @@ -0,0 +1,67 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "fmt" + "io/ioutil" + "os" + "os/exec" + "path/filepath" + "regexp" + "runtime" +) + +func main() { + if runtime.Compiler != "gc" || runtime.GOOS == "js" { + return + } + + err := os.Chdir(filepath.Join("fixedbugs", "issue9355.dir")) + check(err) + + f, err := ioutil.TempFile("", "issue9355-*.o") + if err != nil { + fmt.Println(err) + os.Exit(1) + } + f.Close() + + out := run("go", "tool", "compile", "-o", f.Name(), "-S", "a.go") + os.Remove(f.Name()) + + // 6g/8g print the offset as dec, but 5g/9g print the offset as hex. + patterns := []string{ + `rel 0\+\d t=1 \"\"\.x\+8\r?\n`, // y = &x.b + `rel 0\+\d t=1 \"\"\.x\+(28|1c)\r?\n`, // z = &x.d.q + `rel 0\+\d t=1 \"\"\.b\+5\r?\n`, // c = &b[5] + `rel 0\+\d t=1 \"\"\.x\+(88|58)\r?\n`, // w = &x.f[3].r + } + for _, p := range patterns { + if ok, err := regexp.Match(p, out); !ok || err != nil { + println(string(out)) + panic("can't find pattern " + p) + } + } +} + +func run(cmd string, args ...string) []byte { + out, err := exec.Command(cmd, args...).CombinedOutput() + if err != nil { + fmt.Println(string(out)) + fmt.Println(err) + os.Exit(1) + } + return out +} + +func check(err error) { + if err != nil { + fmt.Println("BUG:", err) + os.Exit(1) + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue9370.go b/gcc/testsuite/go.test/test/fixedbugs/issue9370.go new file mode 100644 index 00000000000..6cc8d5b9e5d --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue9370.go @@ -0,0 +1,127 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Verify that concrete/interface comparisons are +// typechecked correctly by the compiler. + +package main + +type I interface { + Method() +} + +type C int + +func (C) Method() {} + +type G func() + +func (G) Method() {} + +var ( + e interface{} + i I + c C + n int + f func() + g G +) + +var ( + _ = e == c + _ = e != c + _ = e >= c // ERROR "invalid operation.*not defined|invalid comparison" + _ = c == e + _ = c != e + _ = c >= e // ERROR "invalid operation.*not defined|invalid comparison" + + _ = i == c + _ = i != c + _ = i >= c // ERROR "invalid operation.*not defined|invalid comparison" + _ = c == i + _ = c != i + _ = c >= i // ERROR "invalid operation.*not defined|invalid comparison" + + _ = e == n + _ = e != n + _ = e >= n // ERROR "invalid operation.*not defined|invalid comparison" + _ = n == e + _ = n != e + _ = n >= e // ERROR "invalid operation.*not defined|invalid comparison" + + // i and n are not assignable to each other + _ = i == n // ERROR "invalid operation.*mismatched types|incompatible types" + _ = i != n // ERROR "invalid operation.*mismatched types|incompatible types" + _ = i >= n // ERROR "invalid operation.*mismatched types|incompatible types" + _ = n == i // ERROR "invalid operation.*mismatched types|incompatible types" + _ = n != i // ERROR "invalid operation.*mismatched types|incompatible types" + _ = n >= i // ERROR "invalid operation.*mismatched types|incompatible types" + + _ = e == 1 + _ = e != 1 + _ = e >= 1 // ERROR "invalid operation.*not defined|invalid comparison" + _ = 1 == e + _ = 1 != e + _ = 1 >= e // ERROR "invalid operation.*not defined|invalid comparison" + + _ = i == 1 // ERROR "invalid operation.*mismatched types|incompatible types" + _ = i != 1 // ERROR "invalid operation.*mismatched types|incompatible types" + _ = i >= 1 // ERROR "invalid operation.*mismatched types|incompatible types" + _ = 1 == i // ERROR "invalid operation.*mismatched types|incompatible types" + _ = 1 != i // ERROR "invalid operation.*mismatched types|incompatible types" + _ = 1 >= i // ERROR "invalid operation.*mismatched types|incompatible types" + + _ = e == f // ERROR "invalid operation.*not defined|invalid operation" + _ = e != f // ERROR "invalid operation.*not defined|invalid operation" + _ = e >= f // ERROR "invalid operation.*not defined|invalid comparison" + _ = f == e // ERROR "invalid operation.*not defined|invalid operation" + _ = f != e // ERROR "invalid operation.*not defined|invalid operation" + _ = f >= e // ERROR "invalid operation.*not defined|invalid comparison" + + _ = i == f // ERROR "invalid operation.*mismatched types|incompatible types" + _ = i != f // ERROR "invalid operation.*mismatched types|incompatible types" + _ = i >= f // ERROR "invalid operation.*mismatched types|incompatible types" + _ = f == i // ERROR "invalid operation.*mismatched types|incompatible types" + _ = f != i // ERROR "invalid operation.*mismatched types|incompatible types" + _ = f >= i // ERROR "invalid operation.*mismatched types|incompatible types" + + _ = e == g // ERROR "invalid operation.*not defined|invalid operation" + _ = e != g // ERROR "invalid operation.*not defined|invalid operation" + _ = e >= g // ERROR "invalid operation.*not defined|invalid comparison" + _ = g == e // ERROR "invalid operation.*not defined|invalid operation" + _ = g != e // ERROR "invalid operation.*not defined|invalid operation" + _ = g >= e // ERROR "invalid operation.*not defined|invalid comparison" + + _ = i == g // ERROR "invalid operation.*not defined|invalid operation" + _ = i != g // ERROR "invalid operation.*not defined|invalid operation" + _ = i >= g // ERROR "invalid operation.*not defined|invalid comparison" + _ = g == i // ERROR "invalid operation.*not defined|invalid operation" + _ = g != i // ERROR "invalid operation.*not defined|invalid operation" + _ = g >= i // ERROR "invalid operation.*not defined|invalid comparison" + + _ = _ == e // ERROR "cannot use .*_.* as value" + _ = _ == i // ERROR "cannot use .*_.* as value" + _ = _ == c // ERROR "cannot use .*_.* as value" + _ = _ == n // ERROR "cannot use .*_.* as value" + _ = _ == f // ERROR "cannot use .*_.* as value" + _ = _ == g // ERROR "cannot use .*_.* as value" + + _ = e == _ // ERROR "cannot use .*_.* as value" + _ = i == _ // ERROR "cannot use .*_.* as value" + _ = c == _ // ERROR "cannot use .*_.* as value" + _ = n == _ // ERROR "cannot use .*_.* as value" + _ = f == _ // ERROR "cannot use .*_.* as value" + _ = g == _ // ERROR "cannot use .*_.* as value" + + _ = _ == _ // ERROR "cannot use .*_.* as value" + + _ = e ^ c // ERROR "invalid operation.*mismatched types|incompatible types" + _ = c ^ e // ERROR "invalid operation.*mismatched types|incompatible types" + _ = 1 ^ e // ERROR "invalid operation.*mismatched types|incompatible types" + _ = e ^ 1 // ERROR "invalid operation.*mismatched types|incompatible types" + _ = 1 ^ c + _ = c ^ 1 +) diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue9432.go b/gcc/testsuite/go.test/test/fixedbugs/issue9432.go new file mode 100644 index 00000000000..e8946a5be25 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue9432.go @@ -0,0 +1,15 @@ +// errorcheck + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// gc used to recurse infinitely when dowidth is applied +// to a broken recursive type again. +// See golang.org/issue/9432. +package p + +type foo struct { // ERROR "invalid recursive type" + bar foo + blah foo +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue9521.go b/gcc/testsuite/go.test/test/fixedbugs/issue9521.go new file mode 100644 index 00000000000..1ad40bdfda1 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue9521.go @@ -0,0 +1,18 @@ +// errorcheck + +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Test that an incorrect use of the blank identifier is caught. +// Does not compile. + +package main + +func f() (_, _ []int) { return } +func g() (x []int, y float64) { return } + +func main() { + _ = append(f()) // ERROR "cannot use \[\]int value as type int in append|incompatible type" + _ = append(g()) // ERROR "cannot use float64 value as type int in append|incompatible type" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue9537.dir/a.go b/gcc/testsuite/go.test/test/fixedbugs/issue9537.dir/a.go new file mode 100644 index 00000000000..818c9eb4ab8 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue9537.dir/a.go @@ -0,0 +1,25 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package a + +type X struct { + T [32]byte +} + +func (x *X) Get() []byte { + t := x.T + return t[:] +} + +func (x *X) RetPtr(i int) *int { + i++ + return &i +} + +func (x *X) RetRPtr(i int) (r1 int, r2 *int) { + r1 = i + 1 + r2 = &r1 + return +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue9537.dir/b.go b/gcc/testsuite/go.test/test/fixedbugs/issue9537.dir/b.go new file mode 100644 index 00000000000..52e64c81f1f --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue9537.dir/b.go @@ -0,0 +1,43 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "bytes" + + "./a" +) + +type X struct { + *a.X +} + +type Intf interface { + Get() []byte + RetPtr(int) *int + RetRPtr(int) (int, *int) +} + +func main() { + x := &a.X{T: [32]byte{1, 2, 3, 4}} + var ix Intf = X{x} + t1 := ix.Get() + t2 := x.Get() + if !bytes.Equal(t1, t2) { + panic(t1) + } + + p1 := ix.RetPtr(5) + p2 := x.RetPtr(7) + if *p1 != 6 || *p2 != 8 { + panic(*p1) + } + + r1, r2 := ix.RetRPtr(10) + r3, r4 := x.RetRPtr(13) + if r1 != 11 || *r2 != 11 || r3 != 14 || *r4 != 14 { + panic("bad RetRPtr") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue9537.go b/gcc/testsuite/go.test/test/fixedbugs/issue9537.go new file mode 100644 index 00000000000..ac2d41b1234 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue9537.go @@ -0,0 +1,10 @@ +// rundir + +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 9537: Compiler does not run escape analysis on an inlined +// generated method wrapper. + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue9604.go b/gcc/testsuite/go.test/test/fixedbugs/issue9604.go new file mode 100644 index 00000000000..cd9e9e49e58 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue9604.go @@ -0,0 +1,29 @@ +// run + +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +var x uint16 = 0xffff +var y uint16 = 0xfffe +var a uint16 = 0x7000 +var b uint16 = 0x9000 + +func main() { + // Make sure we truncate to smaller-width types after evaluating expressions. + // This is a problem for arm where there is no 16-bit comparison op. + if ^x != 0 { + panic("^uint16(0xffff) != 0") + } + if ^y != 1 { + panic("^uint16(0xfffe) != 1") + } + if -x != 1 { + panic("-uint16(0xffff) != 1") + } + if a+b != 0 { + panic("0x7000+0x9000 != 0") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue9604b.go b/gcc/testsuite/go.test/test/fixedbugs/issue9604b.go new file mode 100644 index 00000000000..d32116b8573 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue9604b.go @@ -0,0 +1,180 @@ +// runoutput + +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// terribly slow on wasm +// +build !wasm + +package main + +import ( + "fmt" + "math/big" + "unsafe" +) + +var one = big.NewInt(1) + +type _type struct { + name string + bits uint + signed bool +} + +// testvalues returns a list of all test values for this type. +func (t *_type) testvalues() []*big.Int { + var a []*big.Int + + a = append(a, big.NewInt(0)) + a = append(a, big.NewInt(1)) + a = append(a, big.NewInt(2)) + if t.signed { + a = append(a, big.NewInt(-1)) + a = append(a, big.NewInt(-2)) + r := big.NewInt(1) + a = append(a, r.Lsh(r, t.bits-1).Sub(r, big.NewInt(1))) + r = big.NewInt(1) + a = append(a, r.Lsh(r, t.bits-1).Sub(r, big.NewInt(2))) + r = big.NewInt(1) + a = append(a, r.Lsh(r, t.bits-1).Neg(r)) + r = big.NewInt(1) + a = append(a, r.Lsh(r, t.bits-1).Neg(r).Add(r, big.NewInt(1))) + } else { + r := big.NewInt(1) + a = append(a, r.Lsh(r, t.bits).Sub(r, big.NewInt(1))) + r = big.NewInt(1) + a = append(a, r.Lsh(r, t.bits).Sub(r, big.NewInt(2))) + } + return a +} + +// trunc truncates a value to the range of the given type. +func (t *_type) trunc(x *big.Int) *big.Int { + r := new(big.Int) + m := new(big.Int) + m.Lsh(one, t.bits) + m.Sub(m, one) + r.And(x, m) + if t.signed && r.Bit(int(t.bits)-1) == 1 { + m.Neg(one) + m.Lsh(m, t.bits) + r.Or(r, m) + } + return r +} + +var types = []_type{ + _type{"byte", 8, false}, + _type{"int8", 8, true}, + _type{"uint8", 8, false}, + _type{"rune", 32, true}, + _type{"int16", 16, true}, + _type{"uint16", 16, false}, + _type{"int32", 32, true}, + _type{"uint32", 32, false}, + _type{"int64", 64, true}, + _type{"uint64", 64, false}, + _type{"int", 8 * uint(unsafe.Sizeof(int(0))), true}, + _type{"uint", 8 * uint(unsafe.Sizeof(uint(0))), false}, + _type{"uintptr", 8 * uint(unsafe.Sizeof((*byte)(nil))), false}, +} + +type binop struct { + name string + eval func(x, y *big.Int) *big.Int +} + +var binops = []binop{ + binop{"+", func(x, y *big.Int) *big.Int { return new(big.Int).Add(x, y) }}, + binop{"-", func(x, y *big.Int) *big.Int { return new(big.Int).Sub(x, y) }}, + binop{"*", func(x, y *big.Int) *big.Int { return new(big.Int).Mul(x, y) }}, + binop{"/", func(x, y *big.Int) *big.Int { return new(big.Int).Quo(x, y) }}, + binop{"%", func(x, y *big.Int) *big.Int { return new(big.Int).Rem(x, y) }}, + binop{"&", func(x, y *big.Int) *big.Int { return new(big.Int).And(x, y) }}, + binop{"|", func(x, y *big.Int) *big.Int { return new(big.Int).Or(x, y) }}, + binop{"^", func(x, y *big.Int) *big.Int { return new(big.Int).Xor(x, y) }}, + binop{"&^", func(x, y *big.Int) *big.Int { return new(big.Int).AndNot(x, y) }}, +} + +type unop struct { + name string + eval func(x *big.Int) *big.Int +} + +var unops = []unop{ + unop{"+", func(x *big.Int) *big.Int { return new(big.Int).Set(x) }}, + unop{"-", func(x *big.Int) *big.Int { return new(big.Int).Neg(x) }}, + unop{"^", func(x *big.Int) *big.Int { return new(big.Int).Not(x) }}, +} + +type shiftop struct { + name string + eval func(x *big.Int, i uint) *big.Int +} + +var shiftops = []shiftop{ + shiftop{"<<", func(x *big.Int, i uint) *big.Int { return new(big.Int).Lsh(x, i) }}, + shiftop{">>", func(x *big.Int, i uint) *big.Int { return new(big.Int).Rsh(x, i) }}, +} + +// valname returns the name of n as can be used as part of a variable name. +func valname(n *big.Int) string { + s := fmt.Sprintf("%d", n) + if s[0] == '-' { + s = "neg" + s[1:] + } + return s +} + +func main() { + fmt.Println("package main") + + // We make variables to hold all the different values we'd like to use. + // We use global variables to prevent any constant folding. + for _, t := range types { + for _, n := range t.testvalues() { + fmt.Printf("var %s_%s %s = %d\n", t.name, valname(n), t.name, n) + } + } + + fmt.Println("func main() {") + + for _, t := range types { + // test binary ops + for _, op := range binops { + for _, x := range t.testvalues() { + for _, y := range t.testvalues() { + if (op.name == "/" || op.name == "%") && y.Sign() == 0 { + continue + } + r := t.trunc(op.eval(x, y)) + eqn := fmt.Sprintf("%s_%s %s %s_%s != %d", t.name, valname(x), op.name, t.name, valname(y), r) + fmt.Printf("\tif %s { println(\"bad: %s\") }\n", eqn, eqn) + } + } + } + // test unary ops + for _, op := range unops { + for _, x := range t.testvalues() { + r := t.trunc(op.eval(x)) + eqn := fmt.Sprintf("%s %s_%s != %d", op.name, t.name, valname(x), r) + fmt.Printf("\tif %s { println(\"bad: %s\") }\n", eqn, eqn) + } + } + // test shifts + for _, op := range shiftops { + for _, x := range t.testvalues() { + + for _, i := range []uint{0, 1, t.bits - 2, t.bits - 1, t.bits, t.bits + 1} { + r := t.trunc(op.eval(x, i)) + eqn := fmt.Sprintf("%s_%s %s %d != %d", t.name, valname(x), op.name, i, r) + fmt.Printf("\tif %s { println(\"bad: %s\") }\n", eqn, eqn) + } + } + } + } + + fmt.Println("}") +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue9608.dir/issue9608.go b/gcc/testsuite/go.test/test/fixedbugs/issue9608.dir/issue9608.go new file mode 100644 index 00000000000..ca82ded4cd0 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue9608.dir/issue9608.go @@ -0,0 +1,82 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func fail() // unimplemented, to test dead code elimination + +// Test dead code elimination in if statements +func init() { + if false { + fail() + } + if 0 == 1 { + fail() + } +} + +// Test dead code elimination in ordinary switch statements +func init() { + const x = 0 + switch x { + case 1: + fail() + } + + switch 1 { + case x: + fail() + } + + switch { + case false: + fail() + } + + const a = "a" + switch a { + case "b": + fail() + } + + const snowman = '☃' + switch snowman { + case '☀': + fail() + } + + const zero = float64(0.0) + const one = float64(1.0) + switch one { + case -1.0: + fail() + case zero: + fail() + } + + switch 1.0i { + case 1: + fail() + case -1i: + fail() + } + + const no = false + switch no { + case true: + fail() + } + + // Test dead code elimination in large ranges. + switch 5 { + case 3, 4, 5, 6, 7: + case 0, 1, 2: + fail() + default: + fail() + } +} + +func main() { +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue9608.go b/gcc/testsuite/go.test/test/fixedbugs/issue9608.go new file mode 100644 index 00000000000..92592d76ee3 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue9608.go @@ -0,0 +1,14 @@ +// rundir + +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 9608: dead code elimination in switch statements. + +// This has to be done as a package rather than as a file, +// because run.go runs files with 'go run', which passes the +// -complete flag to compiler, causing it to complain about +// the intentionally unimplemented function fail. + +package ignored diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue9634.go b/gcc/testsuite/go.test/test/fixedbugs/issue9634.go new file mode 100644 index 00000000000..2d5aae4a30e --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue9634.go @@ -0,0 +1,18 @@ +// errorcheck + +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 9634: Structs are incorrectly unpacked when passed as an argument +// to append. + +package main + +func main() { + s := struct{ + t []int + u int + }{} + _ = append(s, 0) // ERROR "must be a slice|must be slice" +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue9691.go b/gcc/testsuite/go.test/test/fixedbugs/issue9691.go new file mode 100644 index 00000000000..39c3dfa7ae4 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue9691.go @@ -0,0 +1,21 @@ +// run + +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func main() { + s := "foo" + b := []byte(s) + m := make(map[string]int) + // Test that map index can be used in range + // and that slicebytetostringtmp is not used in this context. + for m[string(b)] = range s { + } + b[0] = 'b' + if m["foo"] != 2 { + panic("bad") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue9731.go b/gcc/testsuite/go.test/test/fixedbugs/issue9731.go new file mode 100644 index 00000000000..9237d652ce7 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue9731.go @@ -0,0 +1,21 @@ +// compile + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package p + +func f(x interface{}) { + switch x := x.(type) { + case int: + func() { + _ = x + }() + case map[int]int: + func() { + for range x { + } + }() + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue9738.go b/gcc/testsuite/go.test/test/fixedbugs/issue9738.go new file mode 100644 index 00000000000..85319d70a72 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue9738.go @@ -0,0 +1,20 @@ +// run + +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +func F() (x int) { + defer func() { + if x != 42 { + println("BUG: x =", x) + } + }() + return 42 +} + +func main() { + F() +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue9862.go b/gcc/testsuite/go.test/test/fixedbugs/issue9862.go new file mode 100644 index 00000000000..35725126519 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue9862.go @@ -0,0 +1,15 @@ +// skip + +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +var a [1<<31 - 1024]byte + +func main() { + if a[0] != 0 { + panic("bad array") + } +} diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue9862_run.go b/gcc/testsuite/go.test/test/fixedbugs/issue9862_run.go new file mode 100644 index 00000000000..299e8095450 --- /dev/null +++ b/gcc/testsuite/go.test/test/fixedbugs/issue9862_run.go @@ -0,0 +1,27 @@ +// +build !nacl,!js +// run + +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Check for compile or link error. + +package main + +import ( + "os/exec" + "strings" +) + +func main() { + out, err := exec.Command("go", "run", "fixedbugs/issue9862.go").CombinedOutput() + outstr := string(out) + if err == nil { + println("go run issue9862.go succeeded, should have failed\n", outstr) + return + } + if !strings.Contains(outstr, "symbol too large") { + println("go run issue9862.go gave unexpected error; want symbol too large:\n", outstr) + } +} -- 2.30.2