[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, 62 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/g++.dg/pr61289-2.c b/gcc-4.9/gcc/testsuite/g++.dg/pr61289-2.c
new file mode 100644
index 000000000..4cc3ebe46
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/pr61289-2.c
@@ -0,0 +1,62 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -fno-exceptions" } */
+struct S
+{
+  inline int fn1 () const { return s; }
+  __attribute__ ((noinline, noclone)) S *fn2 (int);
+  __attribute__ ((noinline, noclone)) void fn3 ();
+  __attribute__ ((noinline, noclone)) static S *fn4 (int);
+  S (int i) : s (i) {}
+  int s;
+};
+
+int a = 0;
+S *b = 0;
+
+S *
+S::fn2 (int i)
+{
+  a++;
+  if (a == 1)
+    return b;
+  if (a > 3)
+    __builtin_abort ();
+  b = this;
+  return new S (i + s);
+}
+
+S *
+S::fn4 (int i)
+{
+  b = new S (i);
+  return b;
+}
+
+void
+S::fn3 ()
+{
+  delete this;
+}
+
+void
+foo ()
+{
+  S *c = S::fn4 (20);
+  for (int i = 0; i < 2;)
+    {
+      S *d = c->fn2 (c->fn1 () + 10);
+      if (c != d)
+{
+  c->fn3 ();
+  c = d;
+  ++i;
+}
+    }
+  c->fn3 ();
+}
+
+int
+main ()
+{
+  foo ();
+}