--- old/src/hotspot/share/gc/shared/collectedHeap.hpp	2019-09-17 15:01:30.199069342 +0200
+++ new/src/hotspot/share/gc/shared/collectedHeap.hpp	2019-09-17 15:01:29.887059130 +0200
@@ -233,11 +233,6 @@
 
   DEBUG_ONLY(bool is_in_or_null(const void* p) const { return p == NULL || is_in(p); })
 
-  // This function verifies that "addr" is a valid oop location, w.r.t. heap
-  // datastructures such as bitmaps and virtual memory address. It does *not*
-  // check if the location is within committed heap memory.
-  virtual void check_oop_location(void* addr) const;
-
   virtual uint32_t hash_oop(oop obj) const;
 
   void set_gc_cause(GCCause::Cause v) {
@@ -507,6 +502,10 @@
   // Deduplicate the string, iff the GC supports string deduplication.
   virtual void deduplicate_string(oop str);
 
+  // This function verifies that "addr" is a valid oop location, w.r.t. heap
+  // datastructures such as bitmaps and virtual memory address. It does *not*
+  // check if the location is within committed heap memory.
+  virtual bool is_oop_location(void* addr) const;
   virtual bool is_oop(oop object) const;
 
   virtual size_t obj_size(oop obj) const;