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, 28 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.c-torture/execute/20001228-1.c b/gcc/testsuite/gcc.c-torture/execute/20001228-1.c
new file mode 100644
index 000000000..9c93e79f5
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/20001228-1.c
@@ -0,0 +1,28 @@
+int foo1(void)
+{
+  union {
+    char a[sizeof (unsigned)];
+    unsigned b;
+  } u;
+  
+  u.b = 0x01;
+  return u.a[0];
+}
+
+int foo2(void)
+{
+  volatile union {
+    char a[sizeof (unsigned)];
+    unsigned b;
+  } u;
+  
+  u.b = 0x01;
+  return u.a[0];
+}
+
+int main(void)
+{
+  if (foo1() != foo2())
+    abort ();
+  exit (0);
+}