jtreg doesn't seem to support all the java command line options.
For e.g Xint, Xmixed and Xcomp doesn't work with jtreg.
The jtreg -help doesn't show use of any of the above options.
Though the above options are non-standard ones, but we in SQE
make use of them a lot.

It would be really helpful if we could provide a way to pass
on all the java command-line options to jtreg. This would
really help us in testing our testsuites using different flags.