*** old/src/share/vm/opto/compile.hpp	Sun Nov  3 16:17:05 2013
--- new/src/share/vm/opto/compile.hpp	Sun Nov  3 16:17:05 2013

*** 1146,1155 ****
--- 1146,1158 ----
    // correspondence between Use-Def edges and Def-Use edges
    // The option no_dead_code enables stronger checks that the
    // graph is strongly connected from root in both directions.
    void verify_graph_edges(bool no_dead_code = false) PRODUCT_RETURN;
  
+   // Verify GC barrier patterns
+   void verify_barriers() PRODUCT_RETURN;
+ 
    // End-of-run dumps.
    static void print_statistics() PRODUCT_RETURN;
  
    // Dump formatted assembly
    void dump_asm(int *pcs = NULL, uint pc_limit = 0) PRODUCT_RETURN;