[Bug bootstrap/59541] [4.9 Regression] Revision 206070 breaks bootstrap on darwin

[dominiq at lps dot ens.fr]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59541

--- Comment #2 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
I have reverted the changes in gcc/config/darwin.c done by r 206070 and
bootstrap went fine. The new failing tests are still there.