hg: jdk7/hotspot-gc/hotspot: 6943926: G1: Integer overflow during heap region verification
john.cuthbertson at sun.com
john.cuthbertson at sun.com
Fri Apr 16 00:57:24 UTC 2010
Changeset: 5dbd9300cf9c
Author: johnc
Date: 2010-04-15 15:52 -0700
URL: http://hg.openjdk.java.net/jdk7/hotspot-gc/hotspot/rev/5dbd9300cf9c
6943926: G1: Integer overflow during heap region verification
Summary: The expression that calculates the live bytes for a heap region can overflow for a suitably large humongous region/object. Cache the object size in a suitably sized local variable so that the expression is converted to a wider type.
Reviewed-by: tonyp, jmasa, iveresov, apetrusenko
! src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp
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