From: Alexander Turenko <alexander.turenko@tarantool.org>
To: Serge Petrenko <sergepetrenko@tarantool.org>
Cc: tarantool-patches@dev.tarantool.org
Subject: Re: [Tarantool-patches] [PATCH] decimal: fix build with GCC 10
Date: Mon, 8 Jun 2020 14:36:02 +0300 [thread overview]
Message-ID: <20200608113602.kv4ibhbvfft25m3u@tkn_work_nb> (raw)
In-Reply-To: <3373c95d-5653-9a7c-e6f3-cc46594a0e57@tarantool.org>
On Mon, Jun 08, 2020 at 02:30:43PM +0300, Serge Petrenko wrote:
>
> 08.06.2020 14:22, Alexander Turenko пишет:
> > The patch itself is okay.
> >
> > On Fri, Jun 05, 2020 at 05:01:25PM +0300, Serge Petrenko wrote:
> > > GCC 10 produces the following error:
> > > cc1: warning: function may return address of local variable [-Wreturn-local-addr]
> > >
> > > Fix it.
> > It would be good to mention whether it is a real problem or
> > false-positive. (The patch is already pushed, so this comment is just
> > for information.)
>
>
> It's a false-positive. The return value is only used to test `dec !=
> NULL`.
>
> `dec == NULL` means an error.So, no UB here.
>
> I guess no need for a changelog entry then.
Ouch, I see. Disregard so.
prev parent reply other threads:[~2020-06-08 11:36 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-05 14:01 Serge Petrenko
2020-06-06 5:31 ` Alexander V. Tikhonov
2020-06-08 10:23 ` Kirill Yukhin
2020-06-08 11:22 ` Alexander Turenko
2020-06-08 11:30 ` Serge Petrenko
2020-06-08 11:36 ` Alexander Turenko [this message]
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