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In the normal configuration where GEQO_DEBUG isn't defined, recent clang versions have started to complain that geqo_main.c accumulates the edge_failures count but never does anything with it. As a minimal back-patchable fix, insert a void cast to silence this warning. (I'd speculated about ripping out the GEQO_DEBUG logic altogether, but I don't think we'd wish to back-patch that.) Per recently-established project policy, this is a candidate for back-patching into out-of-support branches: it suppresses an annoying compiler warning but changes no behavior. Hence, back-patch all the way to 9.2. Discussion: https://postgr.es/m/CA+hUKGLTSZQwES8VNPmWO9AO0wSeLt36OCPDAZTccT1h7Q7kTQ@mail.gmail.com
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/.