[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, 44 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/c-c++-common/gomp/pr60823-2.c b/gcc-4.9/gcc/testsuite/c-c++-common/gomp/pr60823-2.c
new file mode 100644
index 000000000..4c8762007
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/c-c++-common/gomp/pr60823-2.c
@@ -0,0 +1,44 @@
+/* PR tree-optimization/60823 */
+/* { dg-do run } */
+/* { dg-require-effective-target vect_simd_clones } */
+/* { dg-options "-O2 -fopenmp-simd" } */
+
+#pragma omp declare simd simdlen(4) notinbranch
+__attribute__((noinline)) int
+foo (double c1, double c2)
+{
+  double z1 = c1, z2 = c2;
+  int res = 100, i;
+
+  for (i = 0; i < 5; i++)
+    {
+      res = (z1 * z1 + z2 * z2 > 4.0) ? (i < res ? i : res) : res;
+      z1 = c1 + z1 * z1 - z2 * z2;
+      z2 = c2 + 2.0 * z1 * z2;
+      c1 += 0.5;
+      c2 += 0.5;
+    }
+  return res;
+}
+
+__attribute__((noinline, noclone)) void
+bar (double *x, double *y)
+{
+  asm volatile ("" : : "rm" (x), "rm" (y) : "memory");
+}
+
+int
+main ()
+{
+  int i;
+  double c[4] = { 0.0, 1.0, 0.0, 1.0 };
+  double d[4] = { 0.0, 1.0, 2.0, 0.0 };
+  int e[4];
+  bar (c, d);
+#pragma omp simd safelen(4)
+  for (i = 0; i < 4; i++)
+    e[i] = foo (c[i], d[i]);
+  if (e[0] != 3 || e[1] != 1 || e[2] != 1 || e[3] != 2)
+    __builtin_abort ();
+  return 0;
+}