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8146695: FinalizeTest04 crashes VM with EXCEPTION_INT_DIVIDE_BY_ZERO

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Reviewed-by: jwilhelm, jprovino
This commit is contained in:
Sangheon Kim 2016-01-08 08:51:18 -08:00
parent a37ef034c1
commit f17b4db454
1 changed files with 2 additions and 2 deletions
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4
hotspot/src/share/vm/gc/serial/defNewGeneration.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2001, 2016, 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
@ -375,7 +375,7 @@ size_t DefNewGeneration::adjust_for_thread_increase(size_t new_size_candidate,
// 1. Check an overflow at 'threads_count * NewSizeThreadIncrease'.
threads_count = Threads::number_of_non_daemon_threads();
if (NewSizeThreadIncrease <= max_uintx / threads_count) {
if (threads_count > 0 && NewSizeThreadIncrease <= max_uintx / threads_count) {
thread_increase_size = threads_count * NewSizeThreadIncrease;
// 2. Check an overflow at 'new_size_candidate + thread_increase_size'.