# HG changeset patch
# User sla
# Date 1340627675 -7200
# Node ID 8a01a0702816644ff9a6ab6ac69d124b8fb518cf
# Parent  e963ab7b3a6fc20e6728ee2a22a26e480d7636f0
7178846: IterateThroughHeap: heap_iteration_callback passes a negative size
Summary: Missing cast caused integer overflow
Reviewed-by: rbackman, dholmes

diff -r e963ab7b3a6f -r 8a01a0702816 hotspot/src/share/vm/prims/jvmtiTagMap.cpp
--- a/hotspot/src/share/vm/prims/jvmtiTagMap.cpp	Fri Jun 22 15:39:16 2012 -0700
+++ b/hotspot/src/share/vm/prims/jvmtiTagMap.cpp	Mon Jun 25 14:34:35 2012 +0200
@@ -585,7 +585,7 @@
     _o = klassOop_if_java_lang_Class(o);
 
     // object size
-    _obj_size = _o->size() * wordSize;
+    _obj_size = (jlong)_o->size() * wordSize;
 
     // record the context
     _tag_map = tag_map;