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, 32 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/tree-ssa/vrp17.c b/gcc/testsuite/gcc.dg/tree-ssa/vrp17.c
new file mode 100644
index 000000000..c04b9ba78
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/vrp17.c
@@ -0,0 +1,32 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-vrp1" } */
+
+extern void abort (void) __attribute__ ((__noreturn__));
+union tree_node;
+typedef union tree_node *tree;
+extern const unsigned char tree_code_length[];
+struct tree_common
+{
+  int code;
+};
+struct tree_exp
+{
+  tree operands[1];
+};
+union tree_node
+{
+  struct tree_common common;
+  struct tree_exp exp;
+};
+int
+gimplify_for_stmt (tree stmt)
+{
+  if (2 >= tree_code_length[stmt->common.code])
+    abort ();
+  if (3 >= tree_code_length[stmt->common.code])
+    abort ();
+}
+
+/* { dg-final { scan-tree-dump-times "Simplified relational" 1 "vrp1" } } */
+/* { dg-final { cleanup-tree-dump "vrp1" } } */
+