[4.9] Switch gcc-4.9 to use google/gcc-4_9 branch.

This source drop uses svn version r212828 of google/gcc-4.9 branch.
We also cherry-picked r213062, r213063 and r213064 to fix windows
build issues.
All gcc-4.9 patches before July 3rd are ported to google/gcc-4.9.
The following prior commits has not been merged to google branch yet.
(They are included in this commit).
e7af147f979e657fe2df00808e5b4319b0e088c6,
baf87df3cb2683649ba7e9872362a7e721117c23, and
c231900e5dcc14d8296bd9f62b45997a49d4d5e7.

Change-Id: I4bea3ea470387ff751c2be4cb0d4a12059b9299b

1 files changed, 39 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-prof/lipo/bb-reorg_0.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-prof/lipo/bb-reorg_0.c
new file mode 100644
index 000000000..f850c9bfd
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-prof/lipo/bb-reorg_0.c
@@ -0,0 +1,39 @@
+/* { dg-require-effective-target freorder } */
+/* { dg-options "-O2 -freorder-blocks-and-partition" } */
+
+#include <string.h>
+
+#define SIZE 1000
+int t0 = 0;
+const char *t2[SIZE];
+char buf[SIZE];
+
+void
+foo (void)
+{
+  char *s = buf;
+  t0 = 1;
+
+  for (;;)
+    {
+      if (*s == '\0')
+	break;
+      else
+	{
+	  t2[t0] = s;
+	  t0++;
+	}
+      *s++ = '\0';
+    }
+  t2[t0] = NULL;
+}
+
+
+int
+main ()
+{
+  strcpy (buf, "hello");
+  foo ();
+  return 0; 
+}
+