From 1b688c0e01dfc54f3e5a77c2e76892ebb4dae43b Mon Sep 17 00:00:00 2001
From: Mikael Morin <mikael@gcc.gnu.org>
Date: Tue, 18 Oct 2011 15:23:04 +0000
Subject: [PATCH] re PR fortran/50420 ([Coarray] lcobound doesn't accept
 coarray subcomponents)

	PR fortran/50420
	* gfortran.dg/coarray_subobject_1.f90: New test.
	* gfortran.dg/coarray/subobject_1.f90: New test.

From-SVN: r180153
---
 gcc/testsuite/ChangeLog                       |  6 +++
 .../gfortran.dg/coarray/subobject_1.f90       | 43 +++++++++++++++++++
 .../gfortran.dg/coarray_subobject_1.f90       | 31 +++++++++++++
 3 files changed, 80 insertions(+)
 create mode 100644 gcc/testsuite/gfortran.dg/coarray/subobject_1.f90
 create mode 100644 gcc/testsuite/gfortran.dg/coarray_subobject_1.f90

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a883aa5979e..d44d2c5fa29 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2011-10-18  Mikael Morin  <mikael@gcc.gnu.org>
+
+	PR fortran/50420
+	* gfortran.dg/coarray_subobject_1.f90: New test.
+	* gfortran.dg/coarray/subobject_1.f90: New test.
+
 2011-10-18  Alexander Monakov  <amonakov@ispras.ru>
 
 	PR rtl-optimization/50205
diff --git a/gcc/testsuite/gfortran.dg/coarray/subobject_1.f90 b/gcc/testsuite/gfortran.dg/coarray/subobject_1.f90
new file mode 100644
index 00000000000..02536866b4d
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/coarray/subobject_1.f90
@@ -0,0 +1,43 @@
+! { dg-do run }
+!
+! PR fortran/50420
+! Coarray subobjects were not accepted as valid coarrays
+
+  integer  :: i
+  integer, parameter :: la = 4, lb = 5, lc = 8
+  integer, parameter :: init(la) = -4 + (/ (i, i=1,la) /)
+  
+  type t
+    integer :: i
+  end type t
+  type t2
+    type(t), allocatable :: a[:]
+  end type t2
+  type t3
+    type(t), allocatable :: a(:)[:]
+  end type t3
+
+  type(t2) :: b
+  type(t3) :: c
+
+  allocate(b%a[lb:*])
+  b%a%i = 7
+  if (b%a%i /= 7) call abort
+  if (any (lcobound(b%a) /= (/ lb /))) call abort
+  if (ucobound(b%a, dim=1) /= this_image() + lb - 1) call abort
+  if (any (lcobound(b%a%i) /= (/ lb /))) call abort
+  if (ucobound(b%a%i, dim=1) /= this_image() + lb - 1) call abort
+  allocate(c%a(la)[lc:*])
+  c%a%i = init
+  if (any(c%a%i /= init)) call abort
+  if (any (lcobound(c%a) /= (/ lc /))) call abort
+  if (ucobound(c%a, dim=1) /= this_image() + lc - 1) call abort
+  if (any (lcobound(c%a%i) /= (/ lc /))) call abort
+  if (ucobound(c%a%i, dim=1) /= this_image() + lc - 1) call abort
+  if (c%a(2)%i /= init(2)) call abort
+  if (any (lcobound(c%a(2)) /= (/ lc /))) call abort
+  if (ucobound(c%a(2), dim=1) /= this_image() + lc - 1) call abort
+  if (any (lcobound(c%a(2)%i) /= (/ lc /))) call abort
+  if (ucobound(c%a(2)%i, dim=1) /= this_image() + lc - 1) call abort
+  deallocate(b%a, c%a)
+end
diff --git a/gcc/testsuite/gfortran.dg/coarray_subobject_1.f90 b/gcc/testsuite/gfortran.dg/coarray_subobject_1.f90
new file mode 100644
index 00000000000..52c65e149b5
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/coarray_subobject_1.f90
@@ -0,0 +1,31 @@
+! { dg-do compile }
+! { dg-options "-fcoarray=single" }
+!
+! PR fortran/50420
+! Coarray subobjects were not accepted as valid coarrays
+! They should still be rejected if one of the component reference is allocatable
+! or pointer
+
+type t
+  integer :: i
+end type t
+type t2
+  type(t), allocatable :: a
+  type(t), pointer     :: c
+end type t2
+type(t2) :: b[5:*]
+allocate(b%a)
+allocate(b%c)
+b%a%i = 7
+b%c%i = 13
+if (b%a%i /= 7) call abort
+if (any (lcobound(b%a) /= (/ 5 /))) call abort             ! { dg-error "Expected coarray variable" }
+if (ucobound(b%a, dim=1) /= this_image() + 4) call abort   ! { dg-error "Expected coarray variable" }
+if (any (lcobound(b%a%i) /= (/ 5 /))) call abort           ! { dg-error "Expected coarray variable" }
+if (ucobound(b%a%i, dim=1) /= this_image() + 4) call abort ! { dg-error "Expected coarray variable" }
+if (b%c%i /= 13) call abort
+if (any (lcobound(b%c) /= (/ 5 /))) call abort             ! { dg-error "Expected coarray variable" }
+if (ucobound(b%c, dim=1) /= this_image() + 4) call abort   ! { dg-error "Expected coarray variable" }
+if (any (lcobound(b%c%i) /= (/ 5 /))) call abort           ! { dg-error "Expected coarray variable" }
+if (ucobound(b%c%i, dim=1) /= this_image() + 4) call abort ! { dg-error "Expected coarray variable" }
+end
-- 
2.30.2