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Re: Compiler bugs for build-many-glibcs.py builds with GCC mainline

From: Joseph Myers <joseph at codesourcery dot com>
To: Jeff Law <law at redhat dot com>
Cc: <libc-alpha at sourceware dot org>
Date: Tue, 22 Nov 2016 16:00:54 +0000
Subject: Re: Compiler bugs for build-many-glibcs.py builds with GCC mainline
Authentication-results: sourceware.org; auth=none
References: <alpine.DEB.2.20.1611220141060.7030@digraph.polyomino.org.uk> <6b149191-1f37-a647-9766-1479780f0b18@redhat.com>

On Tue, 22 Nov 2016, Jeff Law wrote:

> On 11/21/2016 06:52 PM, Joseph Myers wrote:
> > FYI, the following failures building with build-many-glibcs.py with GCC
> > mainline (r242641, Sunday) appear to involve GCC bugs.  Hopefully some or
> > all of these will get fixed for GCC 7.
> > 
> > FAIL: compilers-m68k-linux-gnu-coldfire gcc-first build
> > 
> >   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68467
> If you could pass along a .i file for this it'd be appreciated.  I think this
> is related to STACK_PREFERRED_BOUNDARY, but I'm not 100% sure and the .i file
> would allow me to really dig into it.

I've attached preprocessed source to that bug (along with giving compiler 
options to reproduce the ICE and the configure options generated by 
build-many-glibcs.py).  (Those are all generated with current GCC trunk, 
but as noted the bug appears from 4.7 onwards.)

-- 
Joseph S. Myers
joseph@codesourcery.com

References:
- Compiler bugs for build-many-glibcs.py builds with GCC mainline
  - From: Joseph Myers
- Re: Compiler bugs for build-many-glibcs.py builds with GCC mainline
  - From: Jeff Law

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