1.1 --- a/src/share/vm/runtime/thread.cpp Thu Jan 30 00:21:06 2020 +0000 1.2 +++ b/src/share/vm/runtime/thread.cpp Tue Feb 04 11:16:27 2020 +0800 1.3 @@ -1239,7 +1239,7 @@ 1.4 bool WatcherThread::_startable = false; 1.5 volatile bool WatcherThread::_should_terminate = false; 1.6 1.7 -WatcherThread::WatcherThread() : Thread(), _crash_protection(NULL) { 1.8 +WatcherThread::WatcherThread() : Thread() { 1.9 assert(watcher_thread() == NULL, "we can only allocate one WatcherThread"); 1.10 if (os::create_thread(this, os::watcher_thread)) { 1.11 _watcher_thread = this;