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, 26 insertions, 0 deletions

diff --git a/gcc/testsuite/g++.dg/tree-ssa/pr20920.C b/gcc/testsuite/g++.dg/tree-ssa/pr20920.C
new file mode 100644
index 000000000..02edd2827
--- /dev/null
+++ b/gcc/testsuite/g++.dg/tree-ssa/pr20920.C
@@ -0,0 +1,26 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+/* This was causing a failure in the out of SSA pass because VRP was
+   trying to insert assertions for SSA names that flow through
+   abnormal edges.  */
+void f(int) __attribute__((__noreturn__));
+int d(const char *);
+char * j ();
+
+char *
+foo (int x)
+{
+  char *path = __null;
+  try
+    {
+      path = j ();
+      if (path != __null)
+        if (d (path) != 0)
+          f (127);
+      f (127);
+    }
+  catch (...) { }
+
+  return path;
+}