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, 43 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.c-torture/execute/20080522-1.c b/gcc/testsuite/gcc.c-torture/execute/20080522-1.c
new file mode 100644
index 000000000..75bc533f5
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/20080522-1.c
@@ -0,0 +1,43 @@
+/* This testcase is to make sure we have i in referenced vars and that we
+   properly compute aliasing for the loads and stores.  */
+
+extern void abort (void);
+
+static int i;
+static int *p = &i;
+
+int __attribute__((noinline))
+foo(int *q)
+{
+  *p = 1;
+  *q = 2;
+  return *p;
+}
+
+int __attribute__((noinline))
+bar(int *q)
+{
+  *q = 2;
+  *p = 1;
+  return *q;
+}
+
+int main()
+{
+  int j = 0;
+
+  if (foo(&i) != 2)
+    abort ();
+  if (bar(&i) != 1)
+    abort ();
+  if (foo(&j) != 1)
+    abort ();
+  if (j != 2)
+    abort ();
+  if (bar(&j) != 2)
+    abort ();
+  if (j != 2)
+    abort ();
+
+  return 0;
+}