--- old/src/hotspot/share/gc/z/zCollectedHeap.hpp	2019-09-17 15:01:30.934093398 +0200
+++ new/src/hotspot/share/gc/z/zCollectedHeap.hpp	2019-09-17 15:01:30.680085085 +0200
@@ -126,7 +126,7 @@
   virtual void prepare_for_verify();
   virtual void verify(VerifyOption option /* ignored */);
   virtual bool is_oop(oop object) const;
-  virtual void check_oop_location(void* addr) const;
+  virtual bool is_oop_location(void* addr) const;
 };
 
 #endif // SHARE_GC_Z_ZCOLLECTEDHEAP_HPP