--- old/src/hotspot/share/oops/oopsHierarchy.hpp	2018-09-28 16:47:35.273769259 +0200
+++ new/src/hotspot/share/oops/oopsHierarchy.hpp	2018-09-28 16:47:35.133772474 +0200
@@ -101,9 +101,15 @@
 
   // General access
   oopDesc*  operator->() const        { return obj(); }
-  bool operator==(const oop o) const  { return obj() == o.obj(); }
+  bool operator==(const oop o) const  {
+    assert(!VerifyObjectEquals, "Missing oopDesc::equals(..)");
+    return obj() == o.obj();
+  }
   bool operator==(void *p) const      { return obj() == p; }
-  bool operator!=(const volatile oop o) const  { return obj() != o.obj(); }
+  bool operator!=(const volatile oop o) const  {
+    assert(!VerifyObjectEquals, "Missing !oopDesc::equals(..)");
+    return obj() != o.obj();
+  }
   bool operator!=(void *p) const      { return obj() != p; }
 
   // Assignment