The issue was found no the linux-i586 & solaris-i586. I did not try it on the windows.

Version:
java -version
Warning: Cannot open log file: hotspot.log
Warning: Forcing option -XX:LogFile=/tmp//hs_pid1691.log
java version "1.6.0_18-ea-fastdebug"
Java(TM) SE Runtime Environment (build 1.6.0_18-ea-fastdebug-b01)
Java HotSpot(TM) Server VM (build 16.0-b08-fastdebug, mixed mode)


Line to reproduce:
/net/vmsqe.russia/export/jdk/re/6u18/promoted/ea/b01/binaries/solaris-i586/fastdebug/bin/java -client -XX:-ShowMessageBoxOnError -Xverify:all -XX:+CompileTheWorld -XX:CompileTheWorldStartAt=152 -XX:CompileTheWorldStopAt=153 -Xbootclasspath/p:/net/vmsqe.russia/export/testbase/ctw/build/../jars/ibiblio/maven2/org/python/jython/2.2.1/jython-2.2.1.jar


Output:
VM option '-ShowMessageBoxOnError'
VM option '+CompileTheWorld'
VM option 'CompileTheWorldStartAt=152'
VM option 'CompileTheWorldStopAt=153'
Warning: Cannot open log file: hotspot.log
Warning: Forcing option -XX:LogFile=/tmp//hs_pid1689.log
CompileTheWorld : Compiling all classes in /net/vmsqe.russia/export/testbase/ctw/jars/ibiblio/maven2/org/python/jython/2.2.1/jython-2.2.1.jar

Preloading failed for (24) com/ziclix/python/sql/handler/InformixDataHandler
Preloading failed for (26) com/ziclix/python/sql/handler/OracleDataHandler
CompileTheWorld (152) : org/python/core/MergeState
# To suppress the following error report, specify this argument
# after -XX: or in .hotspotrc: SuppressErrorAt=/c1_LinearScan.cpp:5486
#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/export0/BUILD_AREA/jdk6_18/hotspot/src/share/vm/c1/c1_LinearScan.cpp:5486), pid=1689, tid=7
# Error: assert(false,"cannot spill interval that is used in first instruction (possible reason: no register found)")
#
# JRE version: 6.0_18-b01
# Java VM: Java HotSpot(TM) Client VM (16.0-b08-fastdebug mixed mode solaris-x86 )
# An error report file with more information is saved as:
# /tmp/hs_err_pid1689.log
#
# If you would like to submit a bug report, please visit:
# http://java.sun.com/webapps/bugreport/crash.jsp
#
Current thread is 7
Dumping core ...
Abort