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, 37 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.c-torture/execute/nestfunc-4.c b/gcc/testsuite/gcc.c-torture/execute/nestfunc-4.c
new file mode 100644
index 000000000..e028166b6
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/nestfunc-4.c
@@ -0,0 +1,37 @@
+/* Origin: hp@bitrange.com
+   Test that return values come out right from a 1000-level call chain to
+   functions without parameters that each need at least one "long"
+   preserved.  Exposed problems related to the MMIX port.  */
+
+long level = 0;
+extern long foo (void);
+extern long bar (void);
+
+#ifdef STACK_SIZE
+#define DEPTH ((STACK_SIZE) / 512 + 1)
+#else
+#define DEPTH 500
+#endif
+
+int
+main (void)
+{
+  if (foo () == -42)
+    exit (0);
+
+  abort ();
+}
+
+long
+foo (void)
+{
+  long tmp = ++level;
+  return bar () + tmp;
+}
+
+long
+bar (void)
+{
+  long tmp = level;
+  return tmp > DEPTH - 1 ? -42 - tmp : foo () - tmp;
+}