Test case java/util/Locale/SoftKeys.java fails with OutOfMemoryError again in recent mach5 job jdk-jdk.7804.

Error Logs:
#section:main
----------messages:(4/188)----------
command: main -Xms16m -Xmx16m -esa SoftKeys
reason: User specified action: run main/othervm -Xms16m -Xmx16m -esa SoftKeys
Mode: othervm [/othervm specified]
elapsed time (seconds): 2.559
----------configuration:(0/0)----------
----------System.out:(0/0)----------
----------System.err:(4/200)----------

Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "MainThread"

Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "main"
----------rerun:(33/4140)*----------

result: Failed. Unexpected exit from test [exit code: 1]
test result: Failed. Unexpected exit from test [exit code: 1]