When building JDK7 (~b75) on Windows 64-bit desktop, the build fails in make/java/java with a crash:

 >>>Recursively making java all @ Tue Nov 10 17:39:08 RST 2009 ...
make[2]: Entering directory `/cygdrive/c/work/ws/ie/make/java/java'
c:/work/dolphin-x64.b75/bin/java -XX:-PrintVMOptions -XX:+UnlockDiagnosticVMOptions -XX:-LogVMOutput -Xmx896m -Xms128m -XX:PermS
ize=32m -XX:MaxPermSize=160m -jar c:/work/ie-build-64/btjars/generatecharacter.jar \
        -template ../../tools/GenerateCharacter/CharacterDataLatin1.java.template \
        -spec ../../tools/UnicodeData/UnicodeData.txt \
        -specialcasing ../../tools/UnicodeData/SpecialCasing.txt \
        -o c:/work/ie-build-64/gensrc/java/lang/CharacterDataLatin1.java -string \
        -usecharforbyte -latin1 8
#
# A fatal error has been detected by the Java Runtime Environment:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x0000000076d5f4c5, pid=1348, tid=3160
#
# JRE version: 7.0-b75
# Java VM: Java HotSpot(TM) 64-Bit Server VM (17.0-b04 mixed mode windows-amd64 compressed oops)
# Problematic frame:
# C [ntdll.dll+0x4f4c5]
#
# An error report file with more information is saved as:
# c:\work\ws\ie\make\java\java\hs_err_pid1348.log
#
# If you would like to submit a bug report, please visit:
# http://java.sun.com/webapps/bugreport/crash.jsp
#
make[2]: *** [c:/work/ie-build-64/gensrc/java/lang/CharacterData00.java] Error 1
make[2]: Leaving directory `/cygdrive/c/work/ws/ie/make/java/java'
make[1]: *** [all] Error 1
make[1]: Leaving directory `/cygdrive/c/work/ws/ie/make/java'
make: *** [all] Error 1


The HotSpot log file is attached.
Compiler version (cl):
Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 15.00.30729.01 for 80x86

Make version (nmake - actually, it's not used, but gnu make is):
Microsoft (R) Program Maintenance Utility Version 9.00.30729.01

Linker version (link):
Microsoft (R) Incremental Linker Version 9.00.30729.01