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Re: Suspicious warning in W64 build

From: Richard Copley
Subject: Re: Suspicious warning in W64 build
Date: Sun, 17 Sep 2017 08:14:41 +0100

On 17 September 2017 at 07:42, Paul Eggert <address@hidden> wrote:
> Eli Zaretskii wrote:
>> I don't see how this could be anything but a GCC bug.  Yes,
>> buffer_display_table can return NULL, but every place that calls it
>> makes sure the result is non-NULL before dereferencing it.  Did I miss
>> something?
> Older versions of GCC sometimes "forget" obvious things like that, if they
> are spilled into memory or something (sorry, don't know the details).
> Perhaps we should insist on something newer than GCC 5.3 before enabling
> warnings by default, as there is a point of diminishing returns here.

The warning was from GCC 7.2.0.

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