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From: Jonathan Wakely <jwakely@redhat.com>
To: Alexandre Oliva <oliva@adacore.com>
Cc: gcc-patches@gcc.gnu.org, libstdc++@gcc.gnu.org, tromey@adacore.com
Subject: Re: [PATCH] [libstdc++] [prettyprint] add local std::string use to more tests
Date: Fri, 3 Mar 2023 18:09:03 +0000	[thread overview]
Message-ID: <CACb0b4mM9kDHy+dsb+0wbeT4m7EYaJU0Oh3NOHzjany8C2xXTw@mail.gmail.com> (raw)
In-Reply-To: <oro7p9iv1s.fsf@lxoliva.fsfla.org>

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On Fri, 3 Mar 2023 at 17:50, Alexandre Oliva via Libstdc++ <
libstdc++@gcc.gnu.org> wrote:

>
> We're getting regressions after ugprading to GDB 13 in a few of the
> libstdc++ pretty-printing tests.  It might seem like a GDB regression,
> but that update has a new symbol reader, and Tom Tromey says it
> exposes a latent problem in the pretty-printer, namely, when a name is
> not defined locally in the local translation unit, GDB will look for
> it in other units, and if multiple different definitions are
> available, there are no guarantees as to which one it will find.
>
> Since libstdc++ contains units in which std::string maps to different
> types, in order to ensure the tests get the std::string definition we
> expect, we need std::string to be present in the debug information for
> the test itself, as we already do in other tests.
>
> Regstrapped on x86_64-linux-gnu.  Ok to install?
>

OK, thanks.

      reply	other threads:[~2023-03-03 18:09 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-03 17:50 Alexandre Oliva
2023-03-03 18:09 ` Jonathan Wakely [this message]

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