hg: hsx/hotspot-rt/hotspot: 7178846: IterateThroughHeap: heap_iteration_callback passes a negative size

[staffan.larsen at oracle.com]

Changeset: 588f559105c1
Author:    sla
Date:      2012-06-25 14:34 +0200
URL:       http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/588f559105c1

7178846: IterateThroughHeap: heap_iteration_callback passes a negative size
Summary: Missing cast caused integer overflow
Reviewed-by: rbackman, dholmes

! src/share/vm/prims/jvmtiTagMap.cpp