src/share/vm/runtime/thread.cpp

*** 3470,3479 ****
--- 3470,3482 ----
    ObjectMonitor::Initialize() ;
  
    // Second phase of bootstrapping, VM is about entering multi-thread mode
    MemTracker::bootstrap_multi_thread();
  
+   // Do not allow GC during initialization
+   GC_locker::lock();
+ 
    // Initialize global modules
    jint status = init_globals();
    if (status != JNI_OK) {
      delete main_thread;
      *canTryAgain = false; // don't let caller call JNI_CreateJavaVM again
*** 3539,3548 ****
--- 3542,3554 ----
    // Notify JVMTI agents that VM has started (JNI is up) - nop if no agents.
    JvmtiExport::post_vm_start();
  
    initialize_java_lang_classes(main_thread, CHECK_JNI_ERR);
  
+   // After class initialization the GC is ready to run
+   GC_locker::unlock();
+ 
    // We need this for ClassDataSharing - the initial vm.info property is set
    // with the default value of CDS "sharing" which may be reset through
    // command line options.
    reset_vm_info_property(CHECK_JNI_ERR);