--- old/src/hotspot/share/oops/instanceKlass.hpp	2020-04-30 06:04:51.181451961 -0400
+++ new/src/hotspot/share/oops/instanceKlass.hpp	2020-04-30 06:04:50.777441432 -0400
@@ -170,7 +170,7 @@
   // Package this class is defined in
   PackageEntry*   _package_entry;
   // Array classes holding elements of this class.
-  Klass* volatile _array_klasses;
+  ObjArrayKlass* volatile _array_klasses;
   // Constant pool for this class.
   ConstantPool* _constants;
   // The InnerClasses attribute and EnclosingMethod attribute. The
@@ -390,10 +390,10 @@
   void set_itable_length(int len)          { _itable_len = len; }
 
   // array klasses
-  Klass* array_klasses() const             { return _array_klasses; }
-  inline Klass* array_klasses_acquire() const; // load with acquire semantics
-  void set_array_klasses(Klass* k)         { _array_klasses = k; }
-  inline void release_set_array_klasses(Klass* k); // store with release semantics
+  ObjArrayKlass* array_klasses() const     { return _array_klasses; }
+  inline ObjArrayKlass* array_klasses_acquire() const; // load with acquire semantics
+  void set_array_klasses(ObjArrayKlass* k) { _array_klasses = k; }
+  inline void release_set_array_klasses(ObjArrayKlass* k); // store with release semantics
 
   // methods
   Array<Method*>* methods() const          { return _methods; }