diff -r ae0af9fb3dbb -r cba8afa5cfed src/hotspot/share/memory/heapInspection.cpp
--- a/src/hotspot/share/memory/heapInspection.cpp	Mon Oct 21 09:26:14 2019 -0700
+++ b/src/hotspot/share/memory/heapInspection.cpp	Mon Oct 21 13:13:16 2019 -0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -72,8 +72,8 @@
   ResourceMark rm;
   const char* name1 = e1->klass()->external_name();
   const char* name2 = e2->klass()->external_name();
-  bool d1 = (name1[0] == '[');
-  bool d2 = (name2[0] == '[');
+  bool d1 = (name1[0] == JVM_SIGNATURE_ARRAY);
+  bool d2 = (name2[0] == JVM_SIGNATURE_ARRAY);
   if (d1 && !d2) {
     return -1;
   } else if (d2 && !d1) {