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, 84 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/torture/pr42363.c b/gcc/testsuite/gcc.dg/torture/pr42363.c
new file mode 100644
index 000000000..9c9da1373
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr42363.c
@@ -0,0 +1,84 @@
+/* PR middle-end/pr42363, extended from the test for PR middle-end/37913.  */
+/* { dg-do compile } */
+/* { dg-options "-g" } */
+
+void foo (void) __attribute__ ((noreturn));
+
+static int __attribute__ ((noreturn))
+bar (void)
+{
+  foo ();
+}
+
+int
+baz (void)
+{
+  int i = bar ();
+  return i + 1;
+}
+
+int fooz (void) __attribute__ ((noreturn));
+
+static int __attribute__ ((noreturn))
+bart (void)
+{
+  return fooz (); /* { dg-warning "noreturn" } */
+}
+
+int bazr (void)
+{
+  int i = bart ();
+  return i + 1;
+}
+
+static inline int
+bard (void)
+{
+  return fooz ();
+}
+
+int bizr (void)
+{
+  int i, j;
+
+  i = j = bard ();
+
+  return i + 1;
+}
+
+/* This might be regarded as pure and folded, rather than inlined.
+   It's pure evil.  */
+static int __attribute__ ((pure, const, noreturn))
+barf (void)
+{
+} /* { dg-warning "does return" } */
+
+static int __attribute__ ((pure, const))
+bark (void)
+{
+  barf ();
+}
+
+int buzr (void)
+{
+  int i, j;
+
+  i = j = bark () + bark ();
+
+  return i + 1;
+}
+
+int buzt (void)
+{
+  int i, j;
+
+  i = j = barf () + barf ();
+
+  return i + 1;
+}
+
+void bust (void)
+{
+  while (barf ())
+    ;
+}