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Re: Need help debugging likely g++ preprocessor bug

From: Jonathan Wakely <jwakely dot gcc at gmail dot com>
To: Mike Gulick <mike dot gulick at mathworks dot com>
Cc: gcc-help <gcc-help at gcc dot gnu dot org>
Date: Mon, 27 Nov 2017 11:28:15 +0000
Subject: Re: Need help debugging likely g++ preprocessor bug
Authentication-results: sourceware.org; auth=none
References: <139b5b0a-6bda-edf3-f84a-7239638a8939@mathworks.com> <CAH6eHdQbsJ6+vQZAT-3A8WvPAq7jQ1qo+RKYsqkad=u=pU=Byw@mail.gmail.com> <adf45423-6ec6-f315-cc5b-e32681dabaee@mathworks.com>

On 27 November 2017 at 02:39, Mike Gulick wrote:
> I still haven't had any success trying to track down the source of the issue in
> the debugger.  However I did have success in creating a simple reproduction
> case.  This bug *is* dependent on crossing over LINE_MAP_MAX_LOCATION_WITH_COLS,
> so the reproducer includes a simple gcc plugin that sets the line map's
> highest_location field before the preprocessor runs.  I have created bug 83173
> and have attached the reproduction source code to that bug.

Thanks, that should help somebody to figure it out.

References:
- Need help debugging likely g++ preprocessor bug
  - From: Mike Gulick
- Re: Need help debugging likely g++ preprocessor bug
  - From: Jonathan Wakely
- Re: Need help debugging likely g++ preprocessor bug
  - From: Mike Gulick

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