src/share/vm/runtime/sharedRuntime.cpp

*** 2822,2832 ****
--- 2822,2835 ----
  
        // Generate the compiled-to-native wrapper code
        nm = SharedRuntime::generate_native_wrapper(&_masm, method, compile_id, sig_bt, regs, ret_type);
  
        if (nm != NULL) {
+         {
+           MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag);
            method->set_code(method, nm);
+         }
  
          DirectiveSet* directive = DirectivesStack::getDefaultDirective(CompileBroker::compiler(CompLevel_simple));
          if (directive->PrintAssemblyOption) {
            nm->print_code();
          }