--- old/src/share/vm/services/memoryService.cpp	2015-05-21 10:23:25.000000000 -0500
+++ new/src/share/vm/services/memoryService.cpp	2015-05-21 10:23:25.000000000 -0500
@@ -518,7 +518,7 @@
 bool MemoryService::set_verbose(bool verbose) {
   MutexLocker m(Management_lock);
   // verbose will be set to the previous value
-  bool succeed = CommandLineFlags::boolAtPut((char*)"PrintGC", &verbose, Flag::MANAGEMENT);
+  bool succeed = (CommandLineFlags::boolAtPut((char*)"PrintGC", &verbose, Flag::MANAGEMENT) == Flag::SUCCESS);
   assert(succeed, "Setting PrintGC flag fails");
   ClassLoadingService::reset_trace_class_unloading();