JDK6u sanity is test is failing with error "Failure reason: Targets failed. Target solaris_i586_5.8-fastdebug FAILED. "

Error snippet:
/opt/jprt/T/P1/063324.chsahu/s/control/build/solaris-i586-fastdebug/bin/javac -J-XX:ThreadStackSize=768 -J-client -J-Xmx512m -J-Xms256m -classpath /opt/jprt/T/P1/063324.chsahu/s/control/build/solaris-i586-fastdebug/classes -bootclasspath /opt/jprt/T/P1/063324.chsahu/s/control/build/solaris-i586-fastdebug/lib/jce.jar -sourcepath /opt/jprt/T/P1/063324.chsahu/s/control/build/solaris-i586-fastdebug/gensrc:../../../../src/solaris/classes:../../../../src/share/classes -d /opt/jprt/T/P1/063324.chsahu/s/control/build/solaris-i586-fastdebug/tmp/javax/swing/html/dtbuilder/dtdgenclasses -encoding ascii -g -source 1.5 -target 5 @/opt/jprt/T/P1/063324.chsahu/s/control/build/solaris-i586-fastdebug/tmp/javax/swing/html/dtbuilder/.classes.list
#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x20736465, pid=19078, tid=6
#
# JRE version: 6.0
# Java VM: Java HotSpot(TM) Client VM (20.105-b03-fastdebug mixed mode solaris-x86 )
# Problematic frame:
# C 0x20736465
[error occurred during error reporting (printing problematic frame), id 0xb]

# An error report file with more information is saved as:
# /opt/jprt/T/P1/063324.chsahu/s/j2se/make/javax/swing/html32dtd/hs_err_pid19078.log
#
# If you would like to submit a bug report, please visit:
# http://bugreport.java.com/bugreport/crash.jsp
#
VM option 'ThreadStackSize=768'
Current thread is 6
Dumping core ...
Abort - core dumped
make[7]: *** [.compile.classlist] Error 134
make[7]: Leaving directory `/opt/jprt/T/P1/063324.chsahu/s/j2se/make/javax/swing/html32dtd'

Step used to run sanity:
- hg clone http://closedjdk.us.oracle.com/jdk6u/jdk6u-cpu/
- sh get_source.sh http://closedjdk.us.oracle.com/
- cd jdk6u-cpu/
- /net/scaaa637.us.oracle.com/export/archives/data/jprt/archive/sust/dist/bin/jprt submit -control 'j2se hotspot' -comment 'JDK6u sanity run' -email cheleswer.sahu@oracle.com -noqa