--- old/src/share/vm/gc/shared/referenceProcessor.cpp	2017-06-12 10:25:12.026258138 -0700
+++ new/src/share/vm/gc/shared/referenceProcessor.cpp	2017-06-12 10:25:11.910258589 -0700
@@ -37,6 +37,7 @@
 #include "oops/oop.inline.hpp"
 #include "runtime/java.hpp"
 #include "runtime/jniHandles.hpp"
+#include "runtime/heapMonitoring.hpp"
 
 ReferencePolicy* ReferenceProcessor::_always_clear_soft_ref_policy = NULL;
 ReferencePolicy* ReferenceProcessor::_default_soft_ref_policy      = NULL;
@@ -257,6 +258,7 @@
     process_phaseJNI(is_alive, keep_alive, complete_gc);
   }
 
+  HeapMonitoring::do_weak_oops(task_executor, is_alive, keep_alive, complete_gc);
   log_debug(gc, ref)("Ref Counts: Soft: " SIZE_FORMAT " Weak: " SIZE_FORMAT " Final: " SIZE_FORMAT " Phantom: " SIZE_FORMAT,
                      stats.soft_count(), stats.weak_count(), stats.final_count(), stats.phantom_count());
   log_develop_trace(gc, ref)("JNI Weak Reference count: " SIZE_FORMAT, count_jni_refs());