--- old/src/hotspot/share/runtime/thread.cpp	2018-09-18 21:51:30.520513273 +0200
+++ new/src/hotspot/share/runtime/thread.cpp	2018-09-18 21:51:30.212499992 +0200
@@ -1989,7 +1989,7 @@
   remove_stack_guard_pages();
 
   if (UseTLAB) {
-    tlab().make_parsable(true);  // retire TLAB
+    tlab().retire();
   }
 
   if (JvmtiEnv::environments_might_exist()) {
@@ -2045,7 +2045,7 @@
   remove_stack_guard_pages();
 
   if (UseTLAB) {
-    tlab().make_parsable(true);  // retire TLAB, if any
+    tlab().retire();
   }
 
   BarrierSet::barrier_set()->on_thread_detach(this);