gcc/gcc7-pr81314.patch

73 lines
1.6 KiB
Diff

2017-09-15 Jakub Jelinek <jakub@redhat.com>
Backported from mainline
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.
* testsuite/libgomp.c++/pr81314.C: New test.
--- gcc/cp/cp-gimplify.c (revision 252769)
+++ gcc/cp/cp-gimplify.c (revision 252770)
@@ -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_gener
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);
--- libgomp/testsuite/libgomp.c++/pr81314.C (nonexistent)
+++ libgomp/testsuite/libgomp.c++/pr81314.C (revision 252770)
@@ -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);
+ }
+}