--- a/src/hotspot/share/gc/shared/threadLocalAllocBuffer.hpp	Tue Apr 30 12:53:32 2019 -0700
+++ b/src/hotspot/share/gc/shared/threadLocalAllocBuffer.hpp	Tue Apr 30 15:39:42 2019 -0700
@@ -171,7 +171,7 @@
   void initialize();
 
   void set_back_allocation_end();
-  void set_sample_end();
+  void set_sample_end(bool reset_byte_accumulation);
 
   static size_t refill_waste_limit_increment()   { return TLABWasteIncrement; }