--- a/src/hotspot/share/gc/cms/parNewGeneration.cpp	Mon Apr 01 18:36:01 2019 +0200
+++ b/src/hotspot/share/gc/cms/parNewGeneration.cpp	Mon Apr 01 18:36:12 2019 +0200
@@ -582,8 +582,7 @@
     _young_gen(young_gen), _old_gen(old_gen),
     _young_old_boundary(young_old_boundary),
     _state_set(state_set),
-    _strong_roots_scope(strong_roots_scope),
-    _par_state_string(StringTable::weak_storage())
+    _strong_roots_scope(strong_roots_scope)
 {}
 
 void ParNewGenTask::work(uint worker_id) {