Comment # 6 on bug 1133086 from Martin Li��ka

(In reply to Takashi Iwai from comment #5)
> Thanks.
> 
> One of tricks there is to pass -flto-partition=none in addition to -flto.
> Is it OK to define (override) _lto_cflags in the spec file like:
> 
> %define _lto_cflags -flto -flto-partition=none
> 
> ??

Yes, please do the following:
%build
%global _lto_cflags %{_lto_cflags} -flto-partition=none