Mode : -d64 -server -Xcomp
Platforms : Solsparc 5.8, Solsparc 5.9

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

{OR}

Make a runList.dat file with the following testcases and run next command-line

$TESTBASE/mauve/classes gnu.testlet.SimpleTestHarness -testbase $TESTBASE/mauve/classes gnu.testlet.java.text.RuleBasedCollator.VeryBasic
$TESTBASE/mauve/classes gnu.testlet.SimpleTestHarness -testbase $TESTBASE/mauve/classes gnu.testlet.java.text.SimpleDateFormat.Test


/net/sqesvr.eng/export/vsn/VM/merlin/weekahead/jdk/latest/solsparc/bin/java -d64 -server -Xcomp -classpath /net/sqesvr.eng/export/vsn/VM/testbase/runThese/classes $* runThese -thread 5 -repeat 1 -iter 1 -D:gc=5 -D:TESTBASE=/net/sqesvr.eng/export/vsn/VM/testbase/runThese/tests -runList runList.dat


Output:
java version "1.4.0-beta"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0-beta-b63)
Java HotSpot(TM) 64-Bit Server VM (build 20010509102736.jcoomes.baseline-debug, compiled mode)

# HotSpot Virtual Machine Error, assertion failure
# Please report this error at
# http://java.sun.com/cgi-bin/bugreport.cgi
#
# assert(!visited.test(in->_idx), "visit only once")
#
# Error ID: /net/balvenie.eng/export/imgr_home/ws/20010509102736.jcoomes.baseline/src/share/vm/opto/loopnode.cpp, 1598 [ Patched ]
#
# Problematic Thread: prio=5 tid=0x100246e58 nid=0x9 runnable
#
Dumping core....
Abort - core dumped

Note: Test passes in 32-Bit mode.