obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.

1 files changed, 29 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/pr36508.c b/gcc/testsuite/gcc.dg/pr36508.c
new file mode 100644
index 000000000..304899236
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr36508.c
@@ -0,0 +1,29 @@
+/* PR tree-optimization/36508 */
+/* { dg-do compile } */
+/* { dg-options "-O -ftree-pre" } */
+
+void
+foo (short *sp)
+{
+  int k;
+  k = 1;
+#define SP0 *sp++ = 1;
+  while (1)
+    {
+      if (k > 6)
+	break;
+      SP0
+      k++;
+    }
+  k = 1;
+  while (1)
+    {
+      if (k > 6)
+	break;
+      SP0
+      k++;
+    }
+#define SP1 SP0 SP0 SP0 SP0 SP0 SP0 SP0 SP0 SP0 SP0 SP0
+#define SP2 SP1 SP1 SP1 SP1 SP1 SP1 SP1 SP1 SP1 SP1 SP1
+  SP2
+}