[Bug bootstrap/55289] darwin bootstrap fails due to missing libsanitizer/interception/mach_override directory and files

[dominiq at lps dot ens.fr]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55289

--- Comment #42 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2012-11-15 15:03:53 UTC ---
Jack,

Thanks for the patch in comment #37. I had to do some minor surgery to adjust
it to revision 193528, but otherwise it worked as expected for both -m32 and
-m64 even with gfortran.

I think it should go to trunk as an experimental feature (see pr55341).