--- a/src/hotspot/share/runtime/mutexLocker.hpp Wed Nov 13 14:08:04 2019 -0800
+++ b/src/hotspot/share/runtime/mutexLocker.hpp Wed Nov 13 18:00:30 2019 -0500
@@ -68,6 +68,7 @@
// fore- & background GC threads.
extern Monitor* STS_lock; // used for joining/leaving SuspendibleThreadSet.
extern Monitor* FullGCCount_lock; // in support of "concurrent" full gc
+extern Monitor* G1OldGCCount_lock; // in support of "concurrent" full gc
extern Monitor* DirtyCardQ_CBL_mon; // Protects dirty card Q
// completed buffer queue.
extern Mutex* Shared_DirtyCardQ_lock; // Lock protecting dirty card