[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, 31 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/g++.dg/ipa/pr61160-1.C b/gcc-4.9/gcc/testsuite/g++.dg/ipa/pr61160-1.C
new file mode 100644
index 000000000..a0fbb5f42
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/ipa/pr61160-1.C
@@ -0,0 +1,31 @@
+/* { dg-do compile } */
+/* { dg-options "-O3"  } */
+
+struct CBase {
+  virtual void BaseFunc () {}
+};
+
+struct MMixin {
+  virtual void * MixinFunc (int, void *) = 0;
+};
+
+struct CExample: CBase, public MMixin
+{
+  void *MixinFunc (int arg, void *arg2)
+  {
+    if (arg != 1 || arg2)
+      return 0;
+    return this;
+  }
+};
+
+void *test (MMixin & anExample)
+{
+  return anExample.MixinFunc (1, 0);
+}
+
+int main ()
+{
+  CExample c;
+  return (test (c) != &c);
+}