--- old/src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp	2018-04-11 14:32:57.729246729 -0700
+++ new/src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp	2018-04-11 14:32:57.401247851 -0700
@@ -4268,7 +4268,7 @@
   } else {
     lea(end, Address(obj, var_size_in_bytes));
   }
-  ldr(rscratch1, Address(rthread, JavaThread::tlab_current_end_offset()));
+  ldr(rscratch1, Address(rthread, JavaThread::tlab_fast_path_end_offset()));
   cmp(end, rscratch1);
   br(Assembler::HI, slow_case);
 
@@ -4414,7 +4414,7 @@
     should_not_reach_here();
 
     bind(next);
-    ldr(rscratch2, Address(rthread, in_bytes(JavaThread::tlab_current_end_offset())));
+    ldr(rscratch2, Address(rthread, in_bytes(JavaThread::tlab_fast_path_end_offset())));
     ldr(rscratch1, Address(rthread, in_bytes(JavaThread::tlab_top_offset())));
     cmp(rscratch2, rscratch1);
     br(Assembler::HS, ok);