the following assertion was found while building the jdk with a debug vm.

#
# An unexpected error has been detected by HotSpot Virtual Machine:
#
# Internal Error (/net/smite/export/ws/c1/src/share/vm/ci/ciObject.cpp, 162 [ Patched ]), pid=23031, tid=8
#
# Java VM: Java HotSpot(TM) Client VM (1.5.0-never-c1-jvmg1-debug mixed mode)
#
# Error: assert(is_null_object() || handle() != 0,"cannot embed null pointer")

--------------- T H R E A D ---------------

Current thread (0x000de288): JavaThread "CompilerThread0" daemon [_thread_in_native, id=8]

Stack: [0xe5f02000,0xe5fc1d98), sp=0xe5fc0da8, free space=763k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0xb6bd94]
V [libjvm.so+0x48837c]
V [libjvm.so+0x36a838]
V [libjvm.so+0x2450fc]
V [libjvm.so+0x214e44]
V [libjvm.so+0x228450]
V [libjvm.so+0x1fe548]
V [libjvm.so+0x228650]
V [libjvm.so+0x1ad01c]
V [libjvm.so+0x1ad6ac]
V [libjvm.so+0x1ae100]
V [libjvm.so+0x1aea34]
V [libjvm.so+0x1b86a4]
V [libjvm.so+0x409b70]
V [libjvm.so+0x409008]
V [libjvm.so+0xac9848]
V [libjvm.so+0xac3cd4]
V [libjvm.so+0xac3b70]
V [libjvm.so+0x933d94]


Current CompileTask:
HotSpot Client Compiler:717 b com.sun.tools.javac.jvm.Code.emitStackMap()V (365 bytes)


--------------- P R O C E S S ---------------

Java Threads: ( => current thread )
  0x000e0130 JavaThread "Low Memory Detector" daemon [_thread_blocked, id=9]
=>0x000de288 JavaThread "CompilerThread0" daemon [_thread_in_native, id=8]
  0x000dcee0 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=7]
  0x000cf088 JavaThread "Finalizer" daemon [_thread_blocked, id=6]
  0x000cc878 JavaThread "Reference Handler" daemon [_thread_blocked, id=5]
  0x0005a9b0 JavaThread "main" [_thread_blocked, id=1]

Other Threads:
  0x000c9030 VMThread [id=4]
  0x000e2148 WatcherThread [id=10]

VM state:not at safepoint (normal execution)

VM Mutex/Monitor currently owned by a thread: None

Heap
 def new generation total 7040K, used 1117K [0xe6000000, 0xe6710000, 0xe7c70000)
  eden space 6848K, 13% used [0xe6000000, 0xe60e75e0, 0xe66b0000)
  from space 192K, 100% used [0xe66b0000, 0xe66e0000, 0xe66e0000)
  to space 192K, 0% used [0xe66e0000, 0xe66e0000, 0xe6710000)
 tenured generation total 58304K, used 34562K [0xe7c70000, 0xeb560000, 0xf6000000)
   the space 58304K, 59% used [0xe7c70000, 0xe9e30b28, 0xe9e30c00, 0xeb560000)
 compacting perm gen total 8192K, used 3049K [0xf6000000, 0xf6800000, 0xfa000000)
   the space 8192K, 37% used [0xf6000000, 0xf62fa470, 0xf62fa600, 0xf6800000)
No shared spaces configured.

Dynamic libraries:
0x00010000 ../../../../../build/solaris-sparc/bin/javac
0xff360000 /usr/lib/libthread.so.1
0xff3a0000 /usr/lib/libdl.so.1
0xff280000 /usr/lib/libc.so.1
0xff260000 /usr/platform/SUNW,Ultra-80/lib/libc_psr.so.1
0xfd800000 /export/ws/javac/build/solaris-sparc/lib/sparc/client/libjvm.so
0xff220000 /usr/lib/libsocket.so.1
0xff200000 /usr/lib/libsched.so.1
0xff1d0000 /usr/lib/libCrun.so.1
0xff1a0000 /usr/lib/libm.so.1
0xff080000 /usr/lib/libnsl.so.1
0xff240000 /usr/lib/libw.so.1
0xff160000 /usr/lib/libmp.so.2
0xff060000 /export/ws/javac/build/solaris-sparc/lib/sparc/native_threads/libhpi.so
0xff020000 /export/ws/javac/build/solaris-sparc/lib/sparc/libverify.so
0xfc800000 /export/ws/javac/build/solaris-sparc/lib/sparc/client/libjvm_g.so
0xfe7b0000 /export/ws/javac/build/solaris-sparc/lib/sparc/libjava.so
0xfe790000 /export/ws/javac/build/solaris-sparc/lib/sparc/libzip.so
0xfd730000 /usr/lib/locale/en_US.ISO8859-1/en_US.ISO8859-1.so.2

VM Arguments:
jvm_args: -Dapplication.home=/export/ws/javac/build/solaris-sparc -Xms8m -XX:ThreadStackSize=768 -Xms64m -Xmx256m
java_command: com.sun.tools.javac.Main -classpath ../../../../../build/solaris-sparc/tmp/java/java.lang/library/newclasses:../../../../../src/share/classes -bootclasspath ../../../../../build/solaris-sparc/lib/jce.jar:../../../../../build/solaris-sparc/lib/jsse.jar -sourcepath ../../../../../build/solaris-sparc/gensrc:../../../../../src/solaris/classes:../../../../../src/share/classes -d ../../../../../build/solaris-sparc/tmp/java/java.lang/library/newclasses -encoding ascii -source 1.5 ../../../../../src/share/classes/java/lang/Object.java ../../../../../src/share/classes/java/lang/Class.java ../../../../../src/share/classes/java/lang/Thread.java ../../../../../src/share/classes/java/lang/Character.java ../../../../../src/share/classes/sun/misc/ASCIICaseInsensitiveComparator.java ../../../../../src/share/classes/sun/misc/VM.java ../../../../../src/share/classes/sun/misc/Signal.java ../../../../../src/share/classes/sun/misc/NativeSignalHandler.java ../../../../../src/share/classes/java/lang/ThreadGroup.java ../../../../../src/share/classes/java/lang/ThreadLocal.java ../../../../../src/share/classes/java/lang/InheritableThreadLocal.java ../../../../../src/share/classes/java/lang/String.java ../../../../../src/share/classes/java/lang/ConditionalSpecialCasing.java ../../../../../src/share/classes/java/lang/StringCoding.java ../../../../../src/share/classes/java/lang/StringBuffer.java ../../../../../src/share/classes/java/lang/StringBuilder.java ../../../../../src/share/classes/java/lang/SuppressWarnings.java ../../../../../src/share/classes/java/lang/AbstractStringBuilder.java ../../../../../src/share/classes/java/lang/ClassLoader.java ../../../../../src/share/classes/java/lang/AssertionStatusDirectives.java ../../../../../src/share/classes/java/lang/Enum.java ../../../../../src/share/classes/java/lang/StrictMath.java ../../../../../src/share/classes/java/lang/Math.java ../../../../../src/share/classes/sun/misc/FloatingDecimal.java ../../../../../src/share/classes/su

Environment Variables:
PATH=/usr/ccs/bin:/usr/proc/bin:/usr/sbin:/net/smite/never/bin.sparc:/net/smite/never/bin:/net/smite.sfbay/export/sparc/SOS8/bin:/net/smite/export/sparc/j2sdk1.4.2_03/bin:/net/smite/export/sparc/bin:/opt/sfw/bin:/net/prt-web.sfbay/prt/bin:/never/bin:/usr/dt/bin:/usr/openwin/bin:/usr/bin:/sbin:/usr/ucb:/usr/dist/local/exe:/usr/dist/exe:/usr/lib/lp/postscript:.
LD_LIBRARY_PATH=/export/ws/javac/build/solaris-sparc/lib/sparc/client:/export/ws/javac/build/solaris-sparc/lib/sparc:/export/ws/javac/build/solaris-sparc/../lib/sparc:
SHELL=/bin/sh
DISPLAY=vpn-129-147-152-46.Central.Sun.COM:0.0
HOSTTYPE=sun4
OSTYPE=solaris
MACHTYPE=sparc


--------------- S Y S T E M ---------------

OS: Solaris 8 s28_38shwp2 SPARC
           Copyright 2000 Sun Microsystems, Inc. All Rights Reserved.
                            Assembled 21 January 2000

uname:SunOS 5.8 Generic_108528-25 sun4u (T1 libthread)
rlimit: STACK 8192k, CORE infinity, NOFILE 1024, AS infinity
load average:1.00 0.91 0.56

CPU:total 4 has_v8, has_v9, has_vis1

Memory: 8k page, physical 1048576k(31312k free)

vm_info: Java HotSpot(TM) Client VM (1.5.0-never-c1-jvmg1) for solaris-sparc, built on Feb 19 2004 18:26:14 by unknown with unknown Workshop:0x550