[Bug driver/47785] GCC with -flto does not pass options to the assembler

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47785

--- Comment #5 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> This causes compilation of AVX code using GCC 4.9 to fail on OS X Mavericks; ...

Exactly why I have opened pr61168!-(still not fixed).