[Bug bootstrap/82831] [8 Regression] Broken PGO bootstrap on i586-linux-gnu after r254379

marxin at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Tue Nov 14 09:10:00 GMT 2017


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82831

--- Comment #23 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to Markus Trippelsdorf from comment #22)
> (In reply to Martin Liška from comment #21)
> > (In reply to Markus Trippelsdorf from comment #20)
> > > Also happens on X86_64. I can reproduce the issue on gcc67 (Rzyen).
> > 
> > Can you please provide revision and configure flags? Does it happen for the
> > same source file?
> 
> Current trunk and yes, it happens for the same source file.
> 
>  % ../gcc/configure --disable-libstdcxx-pch --disable-libvtv
> --disable-libitm --disable-libcilkrts --disable-libssp --disable-libgomp
> --disable-werror --disable-multilib --enable-languages=c,c++,fortran
> --enable-checking=release 
> 
>  % make -j8 BOOT_CFLAGS="-march=native -O3 -pipe"
> STAGE1_CFLAGS="-march=native -O3 -pipe" CFLAGS_FOR_TARGET="-march=native -O3
> -pipe" CXXFLAGS_FOR_TARGET="-march=native -O3 -pipe" profiledbootstrap

Thanks. I can confirm it works for me!


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