[Bug target/67973] All the tests for -gstabs* fail on x86_64-apple-darwin14 with Xcode 7

[ro at CeBiTec dot Uni-Bielefeld.DE]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67973

--- Comment #6 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> ---
> agreed on the ideal of using config - if someone has time to implement it.

I may give it a shot if I find some time.  Darwin testresults are hard
to read right now with so many failures on 10.11.

> We probably need to generate a config define to indicate that we've found this
> case - because we will also need some specs magic to ensure that "-Q" is _only_
> forced for -gstabs* otherwise folks will lose the ability to assemble AVX,
> which I suspect is far more interesting to most people than support for
> debugging on darwin8 ;-)

Good point: I'd have forgotten about that.

        Rainer