diff -r 9425445633cf -r 2143feab681a src/hotspot/share/gc/shared/threadLocalAllocBuffer.hpp
--- a/src/hotspot/share/gc/shared/threadLocalAllocBuffer.hpp	Wed May 02 13:44:46 2018 +0200
+++ b/src/hotspot/share/gc/shared/threadLocalAllocBuffer.hpp	Wed May 02 13:44:49 2018 +0200
@@ -58,6 +58,7 @@
   unsigned  _slow_refill_waste;
   unsigned  _gc_waste;
   unsigned  _slow_allocations;
+  size_t    _allocated_size;
 
   AdaptiveWeightedAverage _allocation_fraction;  // fraction of eden allocated in tlabs