[build2] build w gcc 8.1.1 + c++1y fails

[MM]

On Mon, 10 Sep 2018 at 10:10, Boris Kolpackov <boris at codesynthesis.com>
wrote:

> MM <finjulhich at gmail.com> writes:
>
> > g++ -I../libbutl -DLIBBUTL_STATIC -I../libpkgconf -DPKGCONFIG_IS_STATIC
> -I.
> > -std=c++2a -MQ ^ -x c++ -MD -E -fdirectives-only -MF
> build2/config/init.o.t
> > -o /tmp/init.o.ii build2/config/init.cxx
>
> Thanks! We've tried to compile it with "g++ (GCC) 8.1.1 20180502 (Red Hat
> 8.1.1-1)" which is the closest to yours we could find. No errors. So it
> looks like a fairly recent regression in GCC. Before I file a bug report,
> can you confirm that this produces the error for you:
>
> g++ -DLIBBUTL_STATIC -DPKGCONFIG_IS_STATIC -std=c++2a -o init.o -c
> -fdirectives-only init.o.ii


Yes it produces the errors. attached.

Thanks,
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