Description

TabLand

opened on Oct 3, 2023

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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

Linked PRs

• gh-110266: Fix "get_module_from_owned_type is unused" warning #110269

Activity

1. TabLand

   added

   type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

   on Oct 3, 2023
2. AlexWaygood commented on Oct 3, 2023

   

   AlexWaygood

   on Oct 3, 2023

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   ./Modules/_decimal/libmpdec/context.c:56: warning: mpd_setminalloc: ignoring request to set MPD_MINALLOC a second time

   This one dates from #107287: see #107287 (comment). It's possible that the other one from ./Modules/_decimal/libmpdec might stem from the same PR.

   Reacted by Ijtaba Hussain
3. TabLand commented on Oct 3, 2023

   

   TabLand

   on Oct 3, 2023

   ContributorAuthor

   More actions

   Relates to #103186
4. sobolevn commented on Oct 3, 2023

   

   sobolevn

   on Oct 3, 2023

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   This is strange:

   » ag get_module_from_owned_type   
   Modules/_xxinterpchannelsmodule.c
   104:get_module_from_owned_type(PyTypeObject *cls)
   2349:    PyObject *mod = get_module_from_owned_type(cls);
                                         
   
5. AlexWaygood commented on Oct 3, 2023

   

   AlexWaygood

   on Oct 3, 2023

   Member

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   ./Modules/_decimal/libmpdec/context.c:56: warning: mpd_setminalloc: ignoring request to set MPD_MINALLOC a second time

   This one dates from #107287: see #107287 (comment). It's possible that the other one from ./Modules/_decimal/libmpdec might stem from the same PR.

   Looks like #107524 has already been opened to suppress this warning (but it has not yet been reviewed by a core developer)
6. sobolevn

   added 2 commits that reference this issue on Oct 3, 2023

   pythongh-110266: Fix "`get_module_from_owned_type` is unused" warning

   0e3e0f5

   pythongh-110266: Fix "`get_module_from_owned_type` is unused" warning

   3c46ef7
7. iritkatriel commented on Nov 26, 2023

   

   iritkatriel

   on Nov 26, 2023

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   Is there anything left to do here?
8. iritkatriel

   added

   pendingThe issue will be closed if no feedback is providedThe issue will be closed if no feedback is provided

   on Nov 26, 2023
9. TabLand commented on Dec 3, 2023

   

   TabLand

   on Dec 3, 2023

   ContributorAuthor

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   Hi @iritkatriel,

   Apologies for the radio silence...
   I can no longer see these warnings in recent build logs.

   Many thanks everyone!

   Reacted by Irit Katriel

   Reacted by Alex Waygood
10. iritkatriel

    closed this as not plannedon Dec 3, 2023

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