[Bug d/87864] libdruntime doesn't link with /bin/ld before Solaris 11.4

[ro at CeBiTec dot Uni-Bielefeld.DE]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87864

--- Comment #8 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> ---
> --- Comment #7 from Johannes Pfau <johannespfau at gmail dot com> ---
>> The Minfo_Bracketing assert in sections_elf_shared.d fails now, of
>> course, but the file is usable even without linker-provided
>> bracketing.  Should this go completely?
>
> I think the assert should go, it doesn't belong there anyway. Minfo_Bracketing
> is unused then, AFAICS, so it should be fine to also remove it from
> gcc/config.d.

I've already removed the assert in the posted patch.  Minfo_Bracketing
is indeed unused now; I've removed it completely locally, awaiting other
review comments.

> Other changes look fine.

Thanks.