From: Jakub Jelinek <jakub@redhat.com>
Date: Mon, 19 Feb 2018 19:36:41 +0000 (+0100)
Subject: re PR c++/84444 (ICE with __builtin_launder and cast)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5f92d10993787fa2074ca87117f9b92d4c8a2b3c;p=gcc.git

re PR c++/84444 (ICE with __builtin_launder and cast)

	PR c++/84444
	* builtins.c (builtin_mathfn_code): Don't check if CALL_EXPR_FN (t)
	is ADDR_EXPR.

	* g++.dg/cpp1z/launder8.C: New test.

From-SVN: r257822
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 13ce8f2001c..6bef46372ac 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,9 @@
 2018-02-19  Jakub Jelinek  <jakub@redhat.com>
 
+	PR c++/84444
+	* builtins.c (builtin_mathfn_code): Don't check if CALL_EXPR_FN (t)
+	is ADDR_EXPR.
+
 	PR tree-optimization/84452
 	* tree-vect-patterns.c (vect_recog_pow_pattern): Don't call
 	expand_simd_clones if targetm.simd_clone.compute_vecsize_and_simdlen
diff --git a/gcc/builtins.c b/gcc/builtins.c
index 683c6ec6e5b..85affa74510 100644
--- a/gcc/builtins.c
+++ b/gcc/builtins.c
@@ -7836,8 +7836,7 @@ builtin_mathfn_code (const_tree t)
   const_tree argtype, parmtype;
   const_call_expr_arg_iterator iter;
 
-  if (TREE_CODE (t) != CALL_EXPR
-      || TREE_CODE (CALL_EXPR_FN (t)) != ADDR_EXPR)
+  if (TREE_CODE (t) != CALL_EXPR)
     return END_BUILTINS;
 
   fndecl = get_callee_fndecl (t);
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index b4df63d9963..04f9461bd0e 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,8 @@
 2018-02-19  Jakub Jelinek  <jakub@redhat.com>
 
+	PR c++/84444
+	* g++.dg/cpp1z/launder8.C: New test.
+
 	PR c++/84448
 	* g++.dg/gomp/pr84448.C: New test.
 
diff --git a/gcc/testsuite/g++.dg/cpp1z/launder8.C b/gcc/testsuite/g++.dg/cpp1z/launder8.C
new file mode 100644
index 00000000000..f57e91b60cd
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp1z/launder8.C
@@ -0,0 +1,11 @@
+// PR c++/84444
+// { dg-do compile }
+// { dg-options "-O2" }
+
+struct A {};
+
+__UINTPTR_TYPE__
+foo (A *p)
+{
+  return (__UINTPTR_TYPE__) __builtin_launder (p);
+}