[PATCH][darwin] Work around missing LTO debug support for Mach-O, PR82005

[Mike Stump]

On Mar 1, 2018, at 1:56 AM, Dominique d'Humières <dominiq@lps.ens.fr> wrote:
> 
>> Le 1 mars 2018 à 09:37, Richard Biener <rguenther@suse.de> a écrit :
>> 
>> In the PR Dominique says "With the patch the failures (-m32/-m64) went 
>> down from 1059 to 467" which is a nice improvement.  I'm not set up
>> to bootstrap on darwin but I expect Dominque did so.
> 
> Indeed!
> 
>> 
>> So - ok for trunk?
> 
> From my pov yes.

Yes.