Re: Fix last unitialized memory warning

On 06.07.23 15:41, Tristan Partin wrote:
> On Thu Jul 6, 2023 at 3:21 AM CDT, Peter Eisentraut wrote:
>> On 05.07.23 23:06, Tristan Partin wrote:
>>> Thanks for following up. My system is Fedora 38. I can confirm this is
>>> still happening on master.
>>>
>>> $ gcc --version
>>> gcc (GCC) 13.1.1 20230614 (Red Hat 13.1.1-4)
>>> Copyright (C) 2023 Free Software Foundation, Inc.
>>> This is free software; see the source for copying conditions. There is NO
>>> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
>>> $ meson setup build --buildtype=release
>>
>> This buildtype turns on -O3 warnings. We have usually opted against
>> chasing warnings in -O3 level because there are often some
>> false-positive uninitialized variable warnings with every new compiler.
>>
>> Note that we have set the default build type to debugoptimized, for that
>> reason.
>
> Good to know, thanks.
>
> Regarding the original patch, do you think it is good to be applied?

That patch looks reasonable. But I can't actually reproduce the
warning, even with gcc-13. I do get the warning from plpgsql. Can you
show the warning you are seeing?