On Sat, Nov 02, 2024 at 10:32:56PM -0400, Tom Lane wrote: > Noah Misch <n...@leadboat.com> writes: > > Move I/O before the index_update_stats() buffer lock region. > > In branches before 17, this commit is causing some compilers > to complain: > > index.c: In function 'index_update_stats': > index.c:2913:24: warning: 'relpages' may be used uninitialized in this > function [-Wmaybe-uninitialized] > if (rd_rel->relpages != (int32) relpages) > ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~ > > I'm seeing that with RHEL8's gcc 8.5.0, and trawling the buildfarm > shows at least 40 animals similarly unhappy. (I noticed this because > mamba, which is using -Werror, is actually failing.)
Hopefully now the code won't fool any compiler.