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Compiling with -Wshadow=compatible-local yields quite a few warnings about local variables being shadowed by compatible local variables in an inner scope. Of course, this is perfectly valid in C, but we have had bugs in the past as a result of developers failing to notice this. af7d270dd is a recent example. Here we do a cleanup of warnings we receive from -Wshadow=compatible-local for code which is new to PostgreSQL 15. We've yet to have the discussion about if we actually ever want to run that as a standard compilation flag. We'll need to at least get the number of warnings down to something easier to manage before we can realistically consider if we want this or not. This commit is the first step towards reducing the warnings. The changes being made here are all fairly trivial. Because of that, and the fact that v15 is still in beta, this is being back-patched into 15. It seems more risky not to do this as the risk of future bugs is increased by the additional conflicts that this commit could cause for any future bug fixes touching the same areas as this commit. Author: Justin Pryzby Discussion: https://postgr.es/m/20220817145434.GC26426%40telsasoft.com Backpatch-through: 15
PostgreSQL Database Management System ===================================== This directory contains the source code distribution of the PostgreSQL database management system. PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings. PostgreSQL has many language interfaces, many of which are listed here: https://www.postgresql.org/download/ See the file INSTALL for instructions on how to build and install PostgreSQL. That file also lists supported operating systems and hardware platforms and contains information regarding any other software packages that are required to build or run the PostgreSQL system. Copyright and license information can be found in the file COPYRIGHT. A comprehensive documentation set is included in this distribution; it can be read as described in the installation instructions. The latest version of this software may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.