re PR c++/80029 (valgrind error in new_omp_context(omp_region_type) (gimplify.c:400))

	PR c++/80029

	gcc/
	* gimplify.c (is_oacc_declared): New function.
	(oacc_default_clause): Use it to set default flags for acc declared
	variables inside parallel regions.
	(gimplify_scan_omp_clauses): Strip firstprivate pointers for acc
	declared variables.
	(gimplify_oacc_declare): Gimplify the declare clauses.  Add the
	declare attribute to any decl as necessary.

	libgomp/
	* testsuite/libgomp.oacc-c-c++-common/declare-vla.c: New test.

From-SVN: r246381

1 files changed, 25 insertions, 0 deletions

diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/declare-vla.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/declare-vla.c
new file mode 100644
index 0000000..3ea148e
--- /dev/null
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/declare-vla.c
@@ -0,0 +1,25 @@
+/* Verify that acc declare accept VLA variables.  */
+
+#include <assert.h>
+
+int
+main ()
+{
+  int N = 1000;
+  int i, A[N];
+#pragma acc declare copy(A)
+
+  for (i = 0; i < N; i++)
+    A[i] = -i;
+
+#pragma acc kernels
+  for (i = 0; i < N; i++)
+    A[i] = i;
+
+#pragma acc update host(A)
+
+  for (i = 0; i < N; i++)
+    assert (A[i] == i);
+
+  return 0;
+}