[RFC]: Add support for pragma pointer_size

[Tristan Gingold]

On Mar 8, 2012, at 4:18 PM, Joseph S. Myers wrote:

> On Thu, 8 Mar 2012, Tristan Gingold wrote:
> 
>> Argh, that's an issue.  We don't run the gcc test suite natively on VMS
>> because there is no port of Dejagnu (if ever doable) to VMS.  We haven't tried
>> to test a cross-compiler (and running the executable on the VMS host) because
>> an early attempt for another test suite pointed out slowness and reliability
>> issues.  VMS machines could be considered as slow from today's standard POV.
>> I haven't found a method to run only the compile tests and skip the executing one.
>> Is it possible to do that with the gcc test suite ?  That's would be very
>> useful to test cross compilers.
> 
> Thanks for the explanation.  I advise solving the unreliability issues for 
> cross-testing to VMS (and living with the slowness), so that you can run 
> the testsuite, but the patch is OK as-is.

Thank you for your comments.
No C regressions on x86_64-darwin after full bootstrap.
Now committed.

Tristan.