From df930a61c2beccd6beb8ecc6de13801f1017ff26 Mon Sep 17 00:00:00 2001
From: jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu, 27 Jul 2017 19:13:42 +0000
Subject: 	PR c/45784 	* c-omp.c (c_finish_omp_for): If the condition
 is wrapped in 	rhs of COMPOUND_EXPR(s), skip them and readd their lhs into 
 new COMPOUND_EXPRs around the rhs of the comparison.

	* testsuite/libgomp.c/pr45784.c: New test.
	* testsuite/libgomp.c++/pr45784.C: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@250635 138bc75d-0d04-0410-961f-82ee72b054a4
---
 libgomp/ChangeLog                       |  6 +++++
 libgomp/testsuite/libgomp.c++/pr45784.C |  5 ++++
 libgomp/testsuite/libgomp.c/pr45784.c   | 41 +++++++++++++++++++++++++++++++++
 3 files changed, 52 insertions(+)
 create mode 100644 libgomp/testsuite/libgomp.c++/pr45784.C
 create mode 100644 libgomp/testsuite/libgomp.c/pr45784.c

(limited to 'libgomp')

diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index 187f5a3e356..0e6258ff87a 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,9 @@
+2017-07-27  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c/45784
+	* testsuite/libgomp.c/pr45784.c: New test.
+	* testsuite/libgomp.c++/pr45784.C: New test.
+
 2017-07-19  Tom de Vries  <tom@codesourcery.com>
 
 	* testsuite/libgomp.oacc-c/vec.c: New test.
diff --git a/libgomp/testsuite/libgomp.c++/pr45784.C b/libgomp/testsuite/libgomp.c++/pr45784.C
new file mode 100644
index 00000000000..306246c754a
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c++/pr45784.C
@@ -0,0 +1,5 @@
+// PR c/45784
+// { dg-do run }
+
+#include "../libgomp.c/pr45784.c"
+
diff --git a/libgomp/testsuite/libgomp.c/pr45784.c b/libgomp/testsuite/libgomp.c/pr45784.c
new file mode 100644
index 00000000000..78612108bf6
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/pr45784.c
@@ -0,0 +1,41 @@
+/* PR c/45784 */
+/* { dg-do run } */
+
+void
+foo (int n)
+{
+  char *p, vla[2 * n];
+  int i;
+  #pragma omp parallel for
+  for (p = vla; p < vla + (sizeof (vla) / sizeof (vla[0])); p++)
+    *p = ' ';
+  #pragma omp parallel for
+  for (i = 0; i < 2 * n; i++)
+    if (vla[i] != ' ')
+      __builtin_abort ();
+}
+
+void
+bar (int n)
+{
+  char *p, vla1[n], vla2[n * 2], vla3[n * 3], vla4[n * 4];
+  int i;
+  __builtin_memset (vla4, ' ', n * 4);
+  #pragma omp parallel for
+  for (p = vla4 + sizeof (vla1); p < vla4 + sizeof (vla3) - sizeof (vla2) + sizeof (vla1); p += sizeof (vla4) / sizeof (vla4))
+    p[0] = '!';
+  #pragma omp parallel for
+  for (i = 0; i < n * 4; i++)
+    if (vla4[i] != ((i >= n && i < 2 * n) ? '!' : ' '))
+      __builtin_abort ();
+}
+
+int
+main ()
+{
+  volatile int n;
+  n = 128;
+  foo (n);
+  bar (n);
+  return 0;
+}
-- 
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