[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, 36 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/Wshadow-compatible-local-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/Wshadow-compatible-local-1.c
new file mode 100644
index 000000000..cb21be9ae
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/Wshadow-compatible-local-1.c
@@ -0,0 +1,36 @@
+/* { dg-do compile } */
+/* { dg-options "-Wshadow-compatible-local" } */
+
+struct Bar {
+};
+
+struct Bar bar;       /* { dg-bogus "shadowed declaration" } */
+
+int val;              /* { dg-bogus "shadowed declaration" } */
+
+int func1(int x) {    /* { dg-bogus "shadowed declaration" } */
+  int val;            /* { dg-bogus "shadows a global" } */
+  val = x;
+  return val;
+}
+
+int func2(int i) {
+  int a = 3;          /* { dg-warning "shadowed declaration" } */
+  int j;              /* { dg-warning "shadowed declaration" } */
+
+  for (j = 0; j < i; ++j) {
+    int a = j;        /* { dg-warning "shadows a previous local" } */
+    int j = a + 1;    /* { dg-warning "shadows a previous local" } */
+    func1(j);
+  }
+
+  return a;
+}
+
+void func4() {
+  struct Bar bar;     /* { dg-bogus "shadowed declaration" } */
+  if (val) {
+    int bar;          /* { dg-bogus "shadows a previous local" } */
+    func1(bar);
+  }
+}