[BUILDROBOT] Bootstrap broken in Ada

[Jan Hubicka]

> On 10/11/2015 02:58 PM, Jan-Benedict Glaw wrote:
> >On Thu, 2015-10-08 09:37:03 -0400, Andrew MacLeod <amacleod@redhat.com> wrote:
> >[...]
> >>Heres the patch for reordered headers.  Building as we speak.  Hard to fully
> >>verify since Ada doesn't seem to bootstrap on trunk at the moment:
> >>
> >>+===========================GNAT BUG DETECTED==============================+
> >>| 6.0.0 20151008 (experimental) (x86_64-pc-linux-gnu) GCC error:           |
> >>| in gen_lowpart_common, at emit-rtl.c:1399                                |
> >>| Error detected around s-regpat.adb:1029:22                               |
> >>
> >><...>
> >>raised TYPES.UNRECOVERABLE_ERROR : comperr.adb:423
> >>../gcc-interface/Makefile:311: recipe for target 's-regpat.o' failed
> >
> >Bulid log (native build on gcc76.fsffrance.org) can be found at
> >http://toolchain.lug-owl.de/buildbot/deliver_artifact.php?mode=view&id=4292383
> >for build
> >http://toolchain.lug-owl.de/buildbot/show_build_details.php?id=472655 .
> >
> >So it's probably one of these two commits:
> >
> >	r228586 = 54ac7405ce75c141dae33532d491d5793fb583e3
> >		Jan Hubicka  <hubicka@ucw.cz>
> >		Do not use TYPE_CANONICAL in useless_type_conversion
> It's one of Jan's patches.  I've got them reverted locally and Ada
> builds fine.

A proposed patch is https://gcc.gnu.org/ml/gcc-patches/2015-10/msg01011.html

Honza
> 
> jeff