--- a/src/hotspot/share/gc/cms/parNewGeneration.cpp	Mon Jun 18 18:49:34 2018 -0700
+++ b/src/hotspot/share/gc/cms/parNewGeneration.cpp	Thu Jun 07 10:11:36 2018 +0200
@@ -816,7 +816,7 @@
 
 ScanClosureWithParBarrier::
 ScanClosureWithParBarrier(ParNewGeneration* g, bool gc_barrier) :
-  ScanClosure(g, gc_barrier)
+  OopsInClassLoaderDataOrGenClosure(g), _g(g), _boundary(g->reserved().end()), _gc_barrier(gc_barrier)
 { }
 
 template <typename OopClosureType1, typename OopClosureType2>