--- old/src/share/vm/jfr/leakprofiler/sampling/objectSampler.hpp	2021-07-05 14:05:59.065138178 +0000
+++ new/src/share/vm/jfr/leakprofiler/sampling/objectSampler.hpp	2021-07-05 14:05:59.005137286 +0000
@@ -77,7 +77,7 @@
 
   // Sampling
   static void sample(HeapWord* object, size_t size, JavaThread* thread);
-  void add(HeapWord* object, size_t size, traceid thread_id, JfrStackTrace* stacktrace, JavaThread* thread);
+  void add(HeapWord* object, size_t size, traceid thread_id/*, JfrStackTrace* stacktrace*/, JavaThread* thread);
   void scavenge();
   void remove_dead(ObjectSample* sample);