# HG changeset patch
# User sla
# Date 1340627675 -7200
# Node ID 588f559105c18be00460688109e22fcdf823aee1
# Parent  d8a240abb23ae44500e073b098b1b04f9a7c6b82
7178846: IterateThroughHeap: heap_iteration_callback passes a negative size
Summary: Missing cast caused integer overflow
Reviewed-by: rbackman, dholmes

diff -r d8a240abb23a -r 588f559105c1 src/share/vm/prims/jvmtiTagMap.cpp
--- a/src/share/vm/prims/jvmtiTagMap.cpp	Fri Jun 22 15:39:16 2012 -0700
+++ b/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;