guarantee(!UseCompressedStrings) failed: missed java implementation of Compressed Strings

[David Dabbs]

When I attempted to use UseCompressedStrings with 7 b109, java crashed with
the following message. 
I have filed a bug report.


Cheers,

David


-XX:+AggressiveOpts -XX:-BytecodeVerificationLocal
-XX:-BytecodeVerificationRemote -XX:InitialHeapSize=134217728 -XX:Max
HeapSize=536870912 -XX:MaxNewSize=43622400 -XX:MaxPermSize=262144000
-XX:MaxTenuringThreshold=4 -XX:NewRatio=7 -XX:NewSi
ze=21811200 -XX:OldPLABSize=16 -XX:OldSize=65433600
-XX:+OptimizeStringConcat -XX:+PrintCommandLineFlags -XX:+PrintFlags
Final -XX:+UnlockExperimentalVMOptions -XX:+UseCodeCacheFlushing
-XX:+UseCompressedOops -XX:+UseCompressedStrings -XX:+U
seConcMarkSweepGC -XX:-UseLargePagesIndividualAllocation -XX:+UseParNewGC

#
# A fatal error has been detected by the Java Runtime Environment:
#
#  Internal Error (javaClasses.cpp:2962), pid=4232, tid=4196
#  guarantee(!UseCompressedStrings) failed: missed java implementation of
Compressed Strings
#
# JRE version: 7.0
# Java VM: Java HotSpot(TM) 64-Bit Server VM (19.0-b06 mixed mode
windows-amd64 compressed oops)
# An error report file with more information is saved as:
# C:\Users\davidd\AppData\Local\Temp\\hs_err_pid4232.log
#


FWIW, here are the VM args from the command line:

-server
-ea
-Djava.net.preferIPv4Stack=true
-Xverify:none
-Xms128m
-Xmx512m
-XX:MaxPermSize=250m
-XX:+UnlockExperimentalVMOptions
-XX:+AggressiveOpts
-XX:+UseCompressedStrings
-XX:+UseConcMarkSweepGC
-XX:+OptimizeStringConcat
-XX:+UseCodeCacheFlushing
-XX:+PrintCommandLineFlags
-XX:+PrintFlagsFinal