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Build warnings - October 2023 #110266

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Closed as not planned
@TabLand

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@TabLand

Bug report

Bug description:

Building python from source returns the following warnings:

./Include/internal/pycore_call.h:185:16: warning: ‘small_stack’ may be used uninitialized [-Wmaybe-uninitialized]
./Include/internal/pycore_call.h:187:11: warning: ‘small_stack’ may be used uninitialized [-Wmaybe-uninitialized]
./Modules/_decimal/libmpdec/context.c:56: warning: mpd_setminalloc: ignoring request to set MPD_MINALLOC a second time
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
./Modules/_xxinterpchannelsmodule.c:104:1: warning: ‘get_module_from_owned_type’ defined but not used [-Wunused-function]

commit 8c07137 (HEAD -> main, origin/main, origin/HEAD)
Date: Tue Oct 3 08:10:16 2023 +0200

Logs attached: build.log

I will aim to investigate these one by one this week

CPython versions tested on:

CPython main branch

Operating systems tested on:

Linux

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