--- old/src/hotspot/cpu/s390/macroAssembler_s390.cpp	2018-04-11 14:33:03.037228587 -0700
+++ new/src/hotspot/cpu/s390/macroAssembler_s390.cpp	2018-04-11 14:33:02.705229722 -0700
@@ -2786,7 +2786,7 @@
   } else {
     z_lay(end, Address(obj, var_size_in_bytes));
   }
-  z_cg(end, Address(thread, JavaThread::tlab_current_end_offset()));
+  z_cg(end, Address(thread, JavaThread::tlab_fast_path_end_offset()));
   branch_optimized(bcondHigh, slow_case);
 
   // Update the tlab top pointer.