Following 2 JCK1.3 test fail with same assertion message
api/java_awt/java2d/image/WritableRaster/index.html#CreateWritableChildTest
api/java_awt/java2d/image/WritableRaster/index.html#CreateTranslatedChildTest

To reproduce the bug:
1. Install production JDK1.3 & copy your binary into
2. set environment variable JAVA to the JVM(java or java_g) you want to use.
3. To access JCK under /usr/local/java, Login to a machine in CUP02,
   run attached file: ./doIt.ksh



#
# HotSpot Virtual Machine Error, assertion failure
#
# assert(k->klass_part()->oop_is_instance(), "cast to instanceKlass")
#
# Error ID: /net/jde1.eng/export/jtechbig/hs/nightly/hotspot_baseline_nightly/sparc/ws.2000_02_16_03_33/src/share/vm/oops/instanceKlass
.hpp, 323 [ Patched ]
#
# Problematic Thread: prio=5 tid=0x148318 nid=0xb runnable
#
Dumping core....
This assertion occured in following log files
========================================================
file:/net/jde1/export/jtechbig/fhsu/jck/compiler2/021100.jck/sun4u.5.7.mixed/jtpfiles/../api/java_awt/java2d/image/WritableRaster/index
_CreateTranslatedChildTest.jtr
file:/net/jde1/export/jtechbig/fhsu/jck/compiler2/021100.jck/sun4u.5.7.mixed/jtpfiles/../api/java_awt/java2d/image/WritableRaster/index
_CreateWritableChildTest.jtr