src/hotspot/share/gc/z/zRelocate.cpp

Concurrent class unloading

   ZRootsIterator _roots;
 
 public:
   ZRelocateRootsTask() :
       ZTask("ZRelocateRootsTask"),
-      _roots() {}
+      _roots(false) {}
 
   virtual void work() {
     // During relocation we need to visit the JVMTI
     // export weak roots to rehash the JVMTI tag map
     ZRelocateRootOopClosure cl;