Test : cloudsync.jar
Mode : -Xcomp
Platform : solsparc 5.6, solx86

Steps to reproduce
1) cd /net/sqesvr.eng/export/vsn/GammaBase/Bugs/{Bugid}
2) sh doit

{OR}

run the following command-line.

/net/sqesvr/export/vsn/VM/merlin/weekahead/jdk/latest/solsparc/bin/java -server -Xcomp -XX:-ShowMessageBoxOnError -Xverify:all -XX:+CompileTheWorld -XX:CompileTheWorldStartAt=805 -XX:CompileTheWorldStopAt=819 -Xbootclasspath/p:/net/sqesvr/export/vsn/VM/testbase/CompileTheWorld/jars/a-d/cloudsync.jar


Output:
java version "1.4.0-beta"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0-beta-b60)
Java HotSpot(TM) Server VM (build 20010411221312.azeem.merlin_beta-debug, compiled mode)
VM option '-ShowMessageBoxOnError'
VM option '+CompileTheWorld'
VM option 'CompileTheWorldStartAt=805'
VM option 'CompileTheWorldStopAt=819'
CompileTheWorld : Compiling all classes in /net/sqesvr.eng/export/vsn/VM/testbase/testbase_vm/src/jit/compiletheworld/jars/a-d/cloudsync.jar

CompileTheWorld (805) : COM/jbms/_2/_378
CompileTheWorld (806) : COM/jbms/_2/_435
CompileTheWorld (807) : COM/jbms/_2/_49
CompileTheWorld (808) : COM/jbms/_2/_50
CompileTheWorld (809) : COM/jbms/_2/_500
CompileTheWorld (810) : COM/jbms/_2/_539
CompileTheWorld (811) : COM/jbms/_2/_546
CompileTheWorld (812) : COM/jbms/_2/_547
CompileTheWorld (813) : COM/jbms/_2/_557
CompileTheWorld (814) : COM/jbms/_2/_558
CompileTheWorld (815) : COM/jbms/_2/_578
CompileTheWorld (816) : COM/jbms/_2/_586
CompileTheWorld (817) : COM/jbms/_2/_592
CompileTheWorld (818) : COM/jbms/_2/_593
CompileTheWorld (819) : COM/jbms/_2/_631
#
# HotSpot Virtual Machine Error, assertion failure
# Please report this error at
# http://java.sun.com/cgi-bin/bugreport.cgi
#
# assert(_base == Int, "Not an Int")
#
# Error ID: /net/jano.eng/export/disk05/hotspot/imgr/ws/20010411221312.azeem.merlin_beta/src/share/vm/opto/type.hpp, 858 [ Patched ]
#
# Problematic Thread: prio=5 tid=0x117ff0 nid=0xc runnable
#
Dumping core....
Abort - core dumped

Note: It is from file addnode.cpp function AddPNODE::Ideal