diff -r 1b85f55c9aa2 -r 2f522c487791 src/hotspot/share/runtime/mutexLocker.hpp
--- a/src/hotspot/share/runtime/mutexLocker.hpp	Wed Mar 27 10:38:49 2019 +0100
+++ b/src/hotspot/share/runtime/mutexLocker.hpp	Wed Mar 27 10:38:49 2019 +0100
@@ -96,6 +96,7 @@
 extern Mutex*   DirectivesStack_lock;            // a lock held when mutating the dirstack and ref counting directives
 extern Mutex*   MultiArray_lock;                 // a lock used to guard allocation of multi-dim arrays
 extern Monitor* Terminator_lock;                 // a lock used to guard termination of the vm
+extern Monitor* InitCompleted_lock;              // a lock used to signal threads waiting on init completed
 extern Monitor* BeforeExit_lock;                 // a lock used to guard cleanups and shutdown hooks
 extern Monitor* Notify_lock;                     // a lock used to synchronize the start-up of the vm
 extern Mutex*   ProfilePrint_lock;               // a lock used to serialize the printing of profiles