Re: pgsql: Don't initialize page in {vm,fsm}_extend(), not needed

Hi,

On 2023-04-05 16:58:41 -0700, Andres Freund wrote:
> On 2023-04-05 19:19:48 -0400, Tom Lane wrote:
> > Andres Freund <andres@anarazel.de> writes:
> > > Don't initialize page in {vm,fsm}_extend(), not needed
> > 
> > Various buildfarm members are complaining about under-braced
> > initializations added by this commit.
> > 
> > visibilitymap.c: In function \342\200\230vm_extend\342\200\231:
> > visibilitymap.c:625:2: warning: missing braces around initializer [-Wmissing-braces]
> >   PGAlignedBlock pg = {0};
> >   ^
> > visibilitymap.c:625:2: warning: (near initialization for \342\200\230pg.data\342\200\231) [-Wmissing-braces]
> > 
> > freespace.c: In function \342\200\230fsm_extend\342\200\231:
> > freespace.c:611:2: warning: missing braces around initializer [-Wmissing-braces]
> >   PGAlignedBlock pg = {0};
> >   ^
> > freespace.c:611:2: warning: (near initialization for \342\200\230pg.data\342\200\231) [-Wmissing-braces]
> > 
> > This is from buri, similar from curculio, dragonet, idiacanthus,
> > xenodermus, etc
> 
> I really don't see the point of placating old compilers for things like
> this. It's just inflicting pain on ourselves without any reward. Just to be
> clear: I didn't knowingly trigger the warning.
> 
> Either way, an upcoming commit will implement vm_extend() / fsm_extend() with
> generic code, then the warning will be gone.

Done as of fcdda1e4b50249c344e510ea93d4bd74d2743430

- Andres