[Bug bootstrap/82306] [8 Regression] Revision r253089 breaks bootstrap on Darwin

[uros at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82306

--- Comment #1 from uros at gcc dot gnu.org ---
Author: uros
Date: Sat Sep 23 14:26:06 2017
New Revision: 253118

URL: https://gcc.gnu.org/viewcvs?rev=253118&root=gcc&view=rev
Log:
        PR bootstrap/82306
        * config/i386/i386.opt (mprefer-avx256): Use
        ix86_target_flags variable.
        * config/i386/i386.c (ix86_target_string): Move
        -mprefer-avx256 to flag2_opts.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/config/i386/i386.opt