--- old/src/hotspot/share/gc/g1/g1FullCollector.cpp	2020-01-03 17:56:50.501818871 +0800
+++ new/src/hotspot/share/gc/g1/g1FullCollector.cpp	2020-01-03 17:56:50.503818943 +0800
@@ -184,7 +184,7 @@
 
   BiasedLocking::restore_marks();
 
-  _heap->prepare_heap_for_mutators();
+  _heap->prepare_heap_for_mutators(scope()->is_explicit_gc());
 
   _heap->policy()->record_full_collection_end();
   _heap->gc_epilogue(true);