--- a/hotspot/src/share/vm/opto/runtime.hpp	Fri Oct 11 10:14:02 2013 -0700
+++ b/hotspot/src/share/vm/opto/runtime.hpp	Thu Oct 10 15:44:12 2013 +0200
@@ -203,8 +203,10 @@
 
   static bool is_callee_saved_register(MachRegisterNumbers reg);
 
-  // One time only generate runtime code stubs
-  static void generate(ciEnv* env);
+  // One time only generate runtime code stubs. Returns true
+  // when runtime stubs have been generated successfully and
+  // false otherwise.
+  static bool generate(ciEnv* env);
 
   // Returns the name of a stub
   static const char* stub_name(address entry);