I'm experiencing the crash which might be the same (or similar to) as CR 6764543.
The problem seem Solaris10 on x86 specific.
The test crashes in a few seconds so I don't think it does matter what kind of test should we use. To be specific, I'm using the test from attach for CR 6860088 and run test with the following line:
LC_ALL=zh_TW.UTF-8 DISPLAY=spb-cyclops.russia.sun.com:0 ./build/solaris-i586/bin/java DialogTest

(that's fresh jdk bits pulled from awt gate today on 20-Aug-2009)