--- old/src/share/vm/utilities/debug.cpp	2017-11-16 00:47:41.527571298 -0800
+++ new/src/share/vm/utilities/debug.cpp	2017-11-16 00:47:41.453564684 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2017, 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
@@ -315,6 +315,14 @@
   }
 }
 
+void report_insufficient_metaspace(size_t required_size) {
+  warning("\nThe MaxMetaspaceSize of " SIZE_FORMAT " bytes is not large enough.\n"
+          "Either don't specify the -XX:MaxMetaspaceSize=<size>\n"
+          "or increase the size to at least " SIZE_FORMAT ".\n",
+          MaxMetaspaceSize, required_size);
+  exit(2);
+}
+
 static bool error_reported = false;
 
 // call this when the VM is dying--it might loosen some asserts