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, 45 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/pr48156.c b/gcc/testsuite/gcc.dg/pr48156.c
new file mode 100644
index 000000000..7b4d529c4
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr48156.c
@@ -0,0 +1,45 @@
+/* PR rtl-optimization/48156 */
+/* { dg-do run } */
+/* { dg-options "-O -fcrossjumping --param min-crossjump-insns=1" } */
+
+extern void abort (void);
+
+static int __attribute__ ((noinline, noclone))
+equals (int s1, int s2)
+{
+  return s1 == s2;
+}
+
+static int __attribute__ ((noinline, noclone))
+bar (void)
+{
+  return 1;
+}
+
+static void __attribute__ ((noinline, noclone))
+baz (int f, int j)
+{
+  if (f != 4 || j != 2)
+    abort ();
+}
+
+void
+foo (int x)
+{
+  int i = 0, j = bar ();
+
+  if (x == 1)
+    i = 2;
+
+  if (j && equals (i, j))
+    baz (8, i);
+  else
+    baz (4, i);
+}
+
+int
+main ()
+{
+  foo (1);
+  return 0;
+}