Re: jsonapi: scary new warnings with LTO enabled

From: Daniel Gustafsson <daniel(at)yesql(dot)se>
To: Jacob Champion <jacob(dot)champion(at)enterprisedb(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL Developers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: jsonapi: scary new warnings with LTO enabled
Date: 2025-04-21 18:20:00
Message-ID: E4E01D53-5E8C-4D93-85A8-633E93D0A194@yesql.se
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> On 21 Apr 2025, at 17:33, Jacob Champion <jacob(dot)champion(at)enterprisedb(dot)com> wrote:
>
> On Sat, Apr 19, 2025 at 2:15 PM Daniel Gustafsson <daniel(at)yesql(dot)se> wrote:
>> Since there is no way to determine if the allocation succeeded from outside of
>> the JSON api it might be better to keep the calloc and explicitly free it?
>
> I don't think so; pg_parse_json() will error out quickly, so I don't
> see much advantage to the extra code. Raw performance isn't much of a
> concern for the out-of-memory case, IMO.

Sure, but I fear we'll get an endless stream of static analysis reports for the
allocation leaking if we don't free it.

--
Daniel Gustafsson

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