--- old/src/hotspot/share/gc/g1/g1ConcurrentMarkThread.cpp 2019-11-06 19:06:10.704353305 -0500 +++ new/src/hotspot/share/gc/g1/g1ConcurrentMarkThread.cpp 2019-11-06 19:06:10.316332500 -0500 @@ -393,7 +393,7 @@ } // Update the number of full collections that have been - // completed. This will also notify the FullGCCount_lock in case a + // completed. This will also notify the G1FullGCCount_lock in case a // Java thread is waiting for a full GC to happen (e.g., it // called System.gc() with +ExplicitGCInvokesConcurrent). {