Re: Clang UndefinedBehaviorSanitize (Postgres14) Detected undefined-behavior

From: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
To: Ranier Vilela <ranier(dot)vf(at)gmail(dot)com>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Clang UndefinedBehaviorSanitize (Postgres14) Detected undefined-behavior
Date: 2020-08-27 16:57:20
Message-ID: 20200827165720.GA4446@alvherre.pgsql
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On 2020-Aug-27, Ranier Vilela wrote:

> indexcmds.c (1162):
> memcpy(part_oids, partdesc->oids, sizeof(Oid) * nparts);

Looks legit, and at least per commit 13bba02271dc we do fix such things,
even if it's useless in practice.

Given that no buildfarm member has ever complained, this exercise seems
pretty pointless.

--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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