Subject: Re: [PATCH 2/2] config.mak.dev: alternative workaround to gcc 12 warning in http.c

From: Ævar Arnfjörð Bjarmason <[email-masked]>
Date: Sat, 16 Apr 2022 03:08:18 +0200

On Fri, Apr 15 2022, Carlo Arenas wrote:

> On Fri, Apr 15, 2022 at 4:34 PM Junio C Hamano <[email-masked]> wrote:
>> diff --git c/http.c w/http.c
>> index 229da4d148..85437b1980 100644
>> --- c/http.c
>> +++ w/http.c
>> @@ -1367,6 +1367,9 @@ void run_active_slot(struct active_request_slot *slot)
>>                         select(max_fd+1, &readfds, &writefds, &excfds, &select_timeout);
>>                 }
>>         }
>> +
>> +       if (slot->finished == &finished)
>> +               slot->finished = NULL;
>>  }
>>
>>  static void release_active_slot(struct active_request_slot *slot)
>
> this would be IMHO a better fix than the one currently queued in
> ab/http-gcc-12-workaround and indeed squashes the warning with the gcc
> 12 version that is likely to be released with Fedora 36, but notice
> that it was proposed before[1] and apparently didn't work with the
> version of the compiler that Ævar was using at that time, as
> documented in the commit message.

Does it suppress the warning on your GCCv12? It doesn't on mine, as
noted later in related threads my "yes, that does quiet it" in [1] is a
misreport. That doesn't suppress the warning (the [2] patch notes it.

1. https://lore.kernel.org/git/[email-masked]/
2. https://lore.kernel.org/git/[email-masked]/