64 bit VM crash: assert(obj->is_oop(), "sanity check")

64 bit VM crash when running runThese tests with VM option '+DeoptimizeALot'.
It pass with client/server VM, only crash with 64-bit VM.

Test cases failed:
 
nsk/jvmdi/events/fieldmod001
nsk/jvmdi/SetFieldModificationWatch/setfmodw005
nsk/jdi/ModificationWatchpointEvent/_itself_/mwevent001
nsk/jdi/WatchpointEvent/valueCurrent/valuecur001
nsk/jdi/ModificationWatchpointEvent/valueToBe/valuetobe001
nsk/jdi/ModificationWatchpointEvent/valueToBe/valuetobe002
nsk/jdi/WatchpointEvent/_itself_/wevent001

To reproduce the problem:
1. cd /net/jano/export/disk20/GammaBase/Bugs/[bug ID]
2. ksh rerun.sh

minifridge:crash-95$ cat rerun.sh
#!/bin/sh -f
uname -a
/net/sqesvr.sfbay/export/vsn/VM/hopper/pit/jdk/b04/solsparc/bin/java -version
/net/sqesvr.sfbay/export/vsn/VM/hopper/pit/jdk/b04/solsparc/bin/java -d64 -Xss4m -XX:+DeoptimizeALot -classpath /net/sqesvr/export/vsn/VM/testbase/runThese/classes $* runThese -thread 2 -repeat 2 -iter 1 -D:gc=5 -D:TESTBASE=/net/sqesvr/export/vsn/VM/testbase/runThese/tests -runList runList.dat
minifridge:crash-95$ ksh rerun.sh
SunOS minifridge 5.8 Generic_108528-13 sun4u sparc SUNW,Ultra-Enterprise
java version "1.4.1-beta"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.1-beta-b04)
Java HotSpot(TM) Client VM (build 20020308105420.jmasa.baseline-fastdebug1-debug, mixed mode)
VM option '+DeoptimizeALot'
......................................
[Enter:private117]
......................................
[Enter:private13]
#
# HotSpot Virtual Machine Error, assertion failure
# Please report this error at
# http://java.sun.com/cgi-bin/bugreport.cgi
#
# Java VM: Java HotSpot(TM) 64-Bit Server VM (20020308105420.jmasa.baseline-fastdebug-debug mixed mode)
#
# assert(obj->is_oop(), "sanity check")
#
# Error happened during: deoptimize-all
#
# Error ID: /net/balvenie.sfbay/export/imgr_home/ws/20020308105420.jmasa.baseline/src/share/vm/runtime/handles.cpp, 16 [ Patched ]
#
# Problematic Thread: prio=5 tid=0x10027ad88 nid=0xe waiting on monitor
#
Dumping core....
rerun.sh[4]: 22980 Abort(coredump)