HS 2.0-rc2A (win32) crashes while executing the JCK-stress test 'jck12a001'.
When executed under WinNT 4.0 with -Xcomp mode, java_g.exe terminates with
the following diagnostics:

    #
    # HotSpot Virtual Machine Error, assertion failure
    #
    # assert(reg < 4*32, "")
    #
    # Error ID: C:\hotspot2\src\share\vm\opto\regmask.hpp, 170
    #
    # Problematic Thread: prio=9 tid=0x85b708 nid=0x162 runnable
    #

This crash looks like a regression of the bugs: 4270877, 4279985, 4281807

The test nsk/stress/jck12a/jck12a001 could be found in the testbase_nsk
located in the directory /net/sqesvr/vsn/testbase

To reproduce the crash, please try the script 'doit.bat' in the
directory /net/sqesvr/vsn/GammaBase/Bugs/<this_bug_number>