RFR (XS): 8004691: Add a jtreg test that exercises the ExecuteInternalVMTests flag

[Stefan Karlsson]

Looks good.

Though, I'd prefer if the test was not put in the gc directory, since 
this flag could be used by all HotSpot groups.

thanks,
StefanK

On 12/18/2012 10:52 AM, Erik Helin wrote:
> Hi all,
>
> this change adds a jtreg test that runs the internal vm tests.
>
> Webrev:
> http://cr.openjdk.java.net/~ehelin/8004691/webrev.00/
>
> Summary:
> There are a couple of tests in HotSpot C++ source code that can be run
> with the flag -XX:+ExecuteInternalVMTests. These tests are run in JPRT
> queues, but they are not run as part of the nightly testing.
>
> This change adds an empty jtreg test that starts the VM with the flag
> -XX:+ExecuteInternalVMTests, thereby running the internal VM tests.
>
> Since -XX:+ExecuteInternalVMTests only works with a non-product build of
> the VM, the test also uses the flag -XX:+IgnoreUnrecognizedVMOptions to
> make sure the test works, but does nothing, when run with a product
> build of HotSpot.
>
> Testing:
> JPRT
>
> Thanks,
> Erik