Re: shadow variables - pg15 edition

David Rowley <dgrowleyml@gmail.com>

From: David Rowley <dgrowleyml@gmail.com>
To: Justin Pryzby <pryzby@telsasoft.com>
Cc: pgsql-hackers@postgresql.org, Tomas Vondra <tomas.vondra@postgresql.org>, Peter Smith <smithpb2250@gmail.com>
Date: 2022-08-25T14:56:15Z
Lists: pgsql-hackers
On Thu, 25 Aug 2022 at 13:46, David Rowley <dgrowleyml@gmail.com> wrote:
> I've attached a patch which I think improves the code in
> gistRelocateBuildBuffersOnSplit() so that there's no longer a shadowed
> variable. I also benchmarked this method in a tight loop and can
> measure no performance change from getting the loop index this way vs
> the old way.

I've now pushed this patch too.

David



Commits

  1. Fix shadow variable in postgres.c

  2. Add -Wshadow=compatible-local to the standard compilation flags

  3. Fix final warnings produced by -Wshadow=compatible-local

  4. Fix final compiler warning produced by -Wshadow=compatible-local

  5. Add optional parameter to PG_TRY() macros

  6. Small refactor to get rid of -Wshadow=compatible-local warning

  7. More -Wshadow=compatible-local warning fixes

  8. Further -Wshadow=compatible-local warning fixes

  9. Further reduce warnings with -Wshadow=compatible-local

  10. Reduce warnings with -Wshadow=compatible-local builds

  11. Remove shadowed local variables that are new in v15