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, 20 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.c-torture/compile/pr47157.c b/gcc/testsuite/gcc.c-torture/compile/pr47157.c
new file mode 100644
index 000000000..0947a5f9a
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr47157.c
@@ -0,0 +1,20 @@
+/* PR rtl-optimization/47157 */
+
+struct S { unsigned a; unsigned b; } c = { 1, 0 };
+unsigned long int e;
+void bar (int);
+int baz (void);
+
+static int
+foo (int x, short y)
+{
+  return ((x ^ y) & ((x ^ (x ^ y) & ~__INT_MAX__) - y ^ y)) < 0 ? x : x - y;
+}
+
+void
+test (void)
+{
+  bar (foo (baz () != (c.a | c.b), -1L));
+  for (e = 0; e; e = 1)
+    ;
+}