--- old/src/hotspot/share/gc/z/zRelocate.cpp	2019-11-22 15:12:10.156562752 +0100
+++ new/src/hotspot/share/gc/z/zRelocate.cpp	2019-11-22 15:12:09.643545919 +0100
@@ -73,7 +73,7 @@
 public:
   ZRelocateRootsTask() :
       ZTask("ZRelocateRootsTask"),
-      _roots(true /* visit_jvmti_weak_export */) {}
+      _roots(true /* visit_jvmti_weak_export */, true /* disarm_nmethods */) {}
 
   virtual void work() {
     // During relocation we need to visit the JVMTI