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, 33 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/ipa/ipa-pta-4.c b/gcc/testsuite/gcc.dg/ipa/ipa-pta-4.c
new file mode 100644
index 000000000..d2b901cf9
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/ipa/ipa-pta-4.c
@@ -0,0 +1,33 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -fipa-pta -fdump-ipa-pta-details -fdump-tree-fre-details" } */
+
+int a, b;
+
+static int __attribute__((noinline,noclone))
+foo (int *p, int *q)
+{
+  int res;
+  *p = 1;
+  *q = 0;
+  res = *p;
+  a = 1;
+  b = 1;
+  return res;
+}
+
+extern void abort (void);
+
+int main()
+{
+  if (foo (&a, &b) != 1)
+    abort ();
+  return 0;
+}
+
+/* Verify we can disambiguate *p and *q in foo.  */
+
+/* { dg-final { scan-ipa-dump "foo.arg0 = &a" "pta" } } */
+/* { dg-final { scan-ipa-dump "foo.arg1 = &b" "pta" } } */
+/* { dg-final { scan-tree-dump "Replaced \\\*p_1\\\(D\\\) with 1" "fre" } } */
+/* { dg-final { cleanup-tree-dump "fre" } } */
+/* { dg-final { cleanup-ipa-dump "pta" } } */