--- a/src/hotspot/share/opto/indexSet.cpp	Fri Jul 13 11:21:55 2018 +0800
+++ b/src/hotspot/share/opto/indexSet.cpp	Thu Jul 12 16:31:28 2018 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2018, 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
@@ -319,7 +319,7 @@
   if (_max_blocks <= preallocated_block_list_size) {
     _blocks = _preallocated_block_list;
   } else {
-    _blocks = (IndexSet::BitBlock**) arena()->Amalloc_4(sizeof(IndexSet::BitBlock**) * _max_blocks);
+    _blocks = (IndexSet::BitBlock**) arena()->Amalloc_4(sizeof(IndexSet::BitBlock*) * _max_blocks);
   }
   for (uint i = 0; i < _max_blocks; i++) {
     set_block(i, &_empty_block);
@@ -343,7 +343,7 @@
   if (_max_blocks <= preallocated_block_list_size) {
     _blocks = _preallocated_block_list;
   } else {
-    _blocks = (IndexSet::BitBlock**) arena->Amalloc_4(sizeof(IndexSet::BitBlock**) * _max_blocks);
+    _blocks = (IndexSet::BitBlock**) arena->Amalloc_4(sizeof(IndexSet::BitBlock*) * _max_blocks);
   }
   for (uint i = 0; i < _max_blocks; i++) {
     set_block(i, &_empty_block);