--- old/src/share/vm/opto/runtime.hpp	2013-10-01 09:10:56.614907502 +0200
+++ new/src/share/vm/opto/runtime.hpp	2013-10-01 09:10:56.550907503 +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);