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, 46 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr45144.c b/gcc/testsuite/gcc.dg/tree-ssa/pr45144.c
new file mode 100644
index 000000000..7d8da62a1
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr45144.c
@@ -0,0 +1,46 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+
+void baz (unsigned);
+
+extern unsigned buf[];
+
+struct A
+{
+  unsigned a1:10;
+  unsigned a2:3;
+  unsigned:19;
+};
+
+union TMP
+{
+  struct A a;
+  unsigned int b;
+};
+
+static unsigned
+foo (struct A *p)
+{
+  union TMP t;
+  struct A x;
+  
+  x = *p;
+  t.a = x;
+  return t.b;
+}
+
+void
+bar (unsigned orig, unsigned *new)
+{
+  struct A a;
+  union TMP s;
+
+  s.b = orig;
+  a = s.a;
+  if (a.a1)
+    baz (a.a2);
+  *new = foo (&a);
+}
+
+/* { dg-final { scan-tree-dump-not "unnamed-unsigned:19" "optimized"} } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */