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re PR c++/81314 (Undefined reference to a function with -fopenmp)

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PR c++/81314
	* cp-gimplify.c (omp_var_to_track): Look through references.
	(omp_cxx_notice_variable): Likewise.

	* testsuite/libgomp.c++/pr81314.C: New test.

From-SVN: r252770
This commit is contained in:
Jakub Jelinek 2017-09-14 22:18:17 +02:00 • committed by Jakub Jelinek
parent 595ced6060
commit 8b5865104c
4 changed files with 53 additions and 0 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2017-09-14 Jakub Jelinek <jakub@redhat.com>
PR c++/81314
* cp-gimplify.c (omp_var_to_track): Look through references.
(omp_cxx_notice_variable): Likewise.
2017-09-13 Nathan Sidwell <nathan@acm.org>
Conv-op identifers not in identifier hash table

4
gcc/cp/cp-gimplify.c
View file

@ -895,6 +895,8 @@ omp_var_to_track (tree decl)
tree type = TREE_TYPE (decl);
if (is_invisiref_parm (decl))
type = TREE_TYPE (type);
else if (TREE_CODE (type) == REFERENCE_TYPE)
type = TREE_TYPE (type);
while (TREE_CODE (type) == ARRAY_TYPE)
type = TREE_TYPE (type);
if (type == error_mark_node || !CLASS_TYPE_P (type))
@ -947,6 +949,8 @@ omp_cxx_notice_variable (struct cp_genericize_omp_taskreg *omp_ctx, tree decl)
tree type = TREE_TYPE (decl);
if (is_invisiref_parm (decl))
type = TREE_TYPE (type);
else if (TREE_CODE (type) == REFERENCE_TYPE)
type = TREE_TYPE (type);
while (TREE_CODE (type) == ARRAY_TYPE)
type = TREE_TYPE (type);
get_copy_ctor (type, tf_none);

5
libgomp/ChangeLog
View file

@ -1,3 +1,8 @@
2017-09-14 Jakub Jelinek <jakub@redhat.com>
PR c++/81314
* testsuite/libgomp.c++/pr81314.C: New test.
2017-09-03 Gerald Pfeifer <gerald@pfeifer.com>
* libgomp.texi (Top): www.openacc.org now uses https.

38
libgomp/testsuite/libgomp.c++/pr81314.C Normal file
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@ -0,0 +1,38 @@
// PR c++/81314
// { dg-do link }
template <int N>
struct S {
S () { s = 0; }
S (const S &x) { s = x.s; }
~S () {}
int s;
};
void
foo (S<2> &x)
{
#pragma omp taskloop
for (int i = 0; i < 100; ++i)
x.s++;
}
void
bar (S<3> &x)
{
#pragma omp task
x.s++;
}
int
main ()
{
S<2> s;
S<3> t;
#pragma omp parallel
#pragma omp master
{
foo (s);
bar (t);
}
}