--- old/test/hotspot/gtest/gc/shared/test_oopStorage.cpp	2018-02-19 15:35:28.578559926 +0100
+++ new/test/hotspot/gtest/gc/shared/test_oopStorage.cpp	2018-02-19 15:35:28.409552660 +0100
@@ -896,7 +896,7 @@
 
 public:
   Task(const char* name, Storage* storage, VerifyState* vstate) :
-    AbstractGangTask(name, GCId::undefined()),
+    AbstractGangTask(name),
     _state(storage),
     _vstate(vstate)
   {}
@@ -915,7 +915,7 @@
 class OopStorageTestParIteration::TaskUsingOopsDo : public AbstractGangTask {
 public:
   TaskUsingOopsDo(const char* name, OopStorage* storage, VerifyState* vstate) :
-    AbstractGangTask(name, GCId::undefined()),
+    AbstractGangTask(name),
     _state(storage),
     _vstate(vstate)
   {}