--- old/src/share/vm/gc_implementation/g1/g1MarkSweep.cpp	2019-02-15 19:02:26.383219509 +0300
+++ new/src/share/vm/gc_implementation/g1/g1MarkSweep.cpp	2019-02-15 19:02:26.291222726 +0300
@@ -52,6 +52,9 @@
 #include "runtime/vmThread.hpp"
 #include "utilities/copy.hpp"
 #include "utilities/events.hpp"
+#if INCLUDE_JFR
+#include "jfr/jfr.hpp"
+#endif // INCLUDE_JFR
 
 class HeapRegion;
 
@@ -267,6 +270,7 @@
   // Now adjust pointers in remaining weak roots.  (All of which should
   // have been cleared if they pointed to non-surviving objects.)
   JNIHandles::weak_oops_do(&always_true, &GenMarkSweep::adjust_pointer_closure);
+  JFR_ONLY(Jfr::weak_oops_do(&always_true, &GenMarkSweep::adjust_pointer_closure));
 
   if (G1StringDedup::is_enabled()) {
     G1StringDedup::oops_do(&GenMarkSweep::adjust_pointer_closure);