Re: Clang UndefinedBehaviorSanitize (Postgres14) Detected undefined-behavior - Mailing list pgsql-hackers

From Noah Misch
Subject Re: Clang UndefinedBehaviorSanitize (Postgres14) Detected undefined-behavior
Date
Msg-id 20200828024208.GC3096844@rfd.leadboat.com
Whole thread Raw
In response to Re: Clang UndefinedBehaviorSanitize (Postgres14) Detected undefined-behavior  (Alvaro Herrera <alvherre@2ndquadrant.com>)
Responses Re: Clang UndefinedBehaviorSanitize (Postgres14) Detected undefined-behavior  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
On Thu, Aug 27, 2020 at 12:57:20PM -0400, Alvaro Herrera wrote:
> 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.

Later decision to stop changing such code:
https://postgr.es/m/flat/e1a26ece-7057-a234-d87e-4ce1cdc9eaa0@2ndquadrant.com



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