Re: PG19beta1: GCC 16.1.1 warning: ‘actual_arg_types’ may be used uninitialized in clauses.c - Mailing list pgsql-hackers

From Erik Rijkers
Subject Re: PG19beta1: GCC 16.1.1 warning: ‘actual_arg_types’ may be used uninitialized in clauses.c
Date
Msg-id dd1352c0-baf6-1a5b-8342-570ef9126777@xs4all.nl
Whole thread
Responses AW: PG19beta1: GCC 16.1.1 warning: ‘actual_arg_types’ may be used uninitialized in clauses.c
List pgsql-hackers
Op 6/17/26 om 16:39 schreef Nathan Bossart:
> On Fri, Jun 12, 2026 at 04:54:04PM +0200, Álvaro Herrera wrote:
>> On 2026-Jun-04, Nathan Bossart wrote:
>>> This code is ~18 years old, so I'm dubious there's a real problem here.
>>> Does something like this suppress the warning?
>>>
>>>     Oid            actual_arg_types[FUNC_MAX_ARGS] = {InvalidOid};
>>
>> I agree that it doesn't look like there's a real problem, and that
>> something like what you suggest should silence this warning.  I mildly
>> prefer to do " = {0}" though, the rules for C incomplete initializers
>> being so weird.  But I wouldn't oppose this patch as posted.
> 
> WFM.  Hans, can you confirm this fixes the issue?
> 

FWIW, it silences that warning on my gcc 16.1.0

Erik



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