obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.

1 files changed, 26 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.c-torture/execute/mayalias-3.c b/gcc/testsuite/gcc.c-torture/execute/mayalias-3.c
new file mode 100644
index 000000000..53bd07ab1
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/mayalias-3.c
@@ -0,0 +1,26 @@
+typedef struct __attribute__((__may_alias__)) { short x; } test;
+
+test *p;
+
+int g(int *a)
+{
+ p = (test*)a;
+}
+
+int f()
+{
+  int a;
+  g(&a);
+  a = 10;
+  test s={1};
+  *p=s;
+  return a;
+}
+
+int main() {
+  if (f() == 10)
+    __builtin_abort();
+  return 0;
+}
+
+