re PR c++/38650 (Trouble with volatile and #pragma omp for)

	PR c++/38650
	* semantics.c (finish_omp_for): Don't add CLEANUP_POINT_EXPR
	around volatile iteration var in condition and/or increment
	expression.

	* testsuite/libgomp.c/pr38650.c: New test.
	* testsuite/libgomp.c++/pr38650.C: New test.

From-SVN: r142940

2 files changed, 98 insertions, 0 deletions

diff --git a/libgomp/testsuite/libgomp.c++/pr38650.C b/libgomp/testsuite/libgomp.c++/pr38650.C
new file mode 100644
index 0000000..ebe221a
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c++/pr38650.C
@@ -0,0 +1,49 @@
+// PR c++/38650
+// { dg-do run }
+
+#include <cstdlib>
+
+int e;
+
+int
+main ()
+{
+  volatile int i, j = 10;
+  e = 0;
+#pragma omp parallel for reduction(+:e)
+  for (i = 0; i < j; i += 1)
+    e++;
+  if (e != 10)
+    std::abort ();
+  e = 0;
+#pragma omp parallel for reduction(+:e)
+  for (i = 0; i < j; ++i)
+    e++;
+  if (e != 10)
+    std::abort ();
+  e = 0;
+#pragma omp parallel for reduction(+:e)
+  for (i = 0; i < j; i++)
+    e++;
+  if (e != 10)
+    std::abort ();
+  e = 0;
+#pragma omp parallel for reduction(+:e)
+  for (i = 0; i < 10; i += 1)
+    e++;
+  if (e != 10)
+    std::abort ();
+  e = 0;
+#pragma omp parallel for reduction(+:e)
+  for (i = 0; i < 10; ++i)
+    e++;
+  if (e != 10)
+    std::abort ();
+  e = 0;
+#pragma omp parallel for reduction(+:e)
+  for (i = 0; i < 10; i++)
+    e++;
+  if (e != 10)
+    std::abort ();
+  return 0;
+}
diff --git a/libgomp/testsuite/libgomp.c/pr38650.c b/libgomp/testsuite/libgomp.c/pr38650.c
new file mode 100644
index 0000000..7066239
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/pr38650.c
@@ -0,0 +1,49 @@
+/* PR c++/38650 */
+/* { dg-do run } */
+
+#include <stdlib.h>
+
+int e;
+
+int
+main ()
+{
+  volatile int i, j = 10;
+  e = 0;
+#pragma omp parallel for reduction(+:e)
+  for (i = 0; i < j; i += 1)
+    e++;
+  if (e != 10)
+    abort ();
+  e = 0;
+#pragma omp parallel for reduction(+:e)
+  for (i = 0; i < j; ++i)
+    e++;
+  if (e != 10)
+    abort ();
+  e = 0;
+#pragma omp parallel for reduction(+:e)
+  for (i = 0; i < j; i++)
+    e++;
+  if (e != 10)
+    abort ();
+  e = 0;
+#pragma omp parallel for reduction(+:e)
+  for (i = 0; i < 10; i += 1)
+    e++;
+  if (e != 10)
+    abort ();
+  e = 0;
+#pragma omp parallel for reduction(+:e)
+  for (i = 0; i < 10; ++i)
+    e++;
+  if (e != 10)
+    abort ();
+  e = 0;
+#pragma omp parallel for reduction(+:e)
+  for (i = 0; i < 10; i++)
+    e++;
+  if (e != 10)
+    abort ();
+  return 0;
+}