run -Xcomp -help error

[liu chao jun]

HI all ,
           when i  working on IcedTea 1-11-4 against shark .3.1 on the ,when run -Xcomp -help the following error happened after finish its execution ,And I found it seems  there is samewhere which should used "JR"but use"JARL" so the addrss jump to a wrong memory address , unluckly ,i can find the address where it used ,of course maybe there is other reasons that can lead to this error,Is anybody met this or similar this  ago , thank you very much !
it seems a 
Exception in thread "main" java.lang.NullPointerException:
    at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:796)
    at sun.util.LocaleServiceProviderPool.getPool(LocaleServiceProviderPool.java:96)
    at java.text.DecimalFormatSymbols.getInstance(DecimalFormatSymbols.java:147)
    at java.text.NumberFormat.getInstance(NumberFormat.java:767)
    at java.text.NumberFormat.getInstance(NumberFormat.java:393)
    at java.text.MessageFormat.subformat(MessageFormat.java:1254)
    at java.text.MessageFormat.format(MessageFormat.java:853)
    at java.text.Format.format(Format.java:157)
    at java.text.MessageFormat.format(MessageFormat.java:829)
    at sun.launcher.LauncherHelp.getLocalizedMessage(LauncherHelp.java:63)
    at sun.launcher.LauncherHelp.initHelpMessage(LauncherHelp.java:75)

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