diff -r a2bc322ca273 -r ad736b4683b4 src/share/vm/opto/superword.hpp
--- a/src/share/vm/opto/superword.hpp	Mon Feb 18 15:08:39 2013 -0800
+++ b/src/share/vm/opto/superword.hpp	Mon Feb 18 16:47:15 2013 -0800
@@ -380,7 +380,7 @@
   // Is use->in(u_idx) a vector use?
   bool is_vector_use(Node* use, int u_idx);
   // Construct reverse postorder list of block members
-  void construct_bb();
+  bool construct_bb();
   // Initialize per node info
   void initialize_bb();
   // Insert n into block after pos