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Build failure with <code>--enable-experimental-jit</code> and ASan: Memory leak in <code>allocate_executor</code> during module freezing

buildThe build process and cross-buildThe build process and cross-build

topic-JIT

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

Status: Open.

#142985 In python/cpython;

·ashm-dev openedon Dec 19, 2025

JIT coverage can be improved considerably

interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)

topic-JIT

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#142982 In python/cpython;

·markshannon openedon Dec 19, 2025

Semantics of <code>PyThreadState_GetUnchecked</code> inside <code>tp_traverse</code> handlers

topic-C-API

Status: Open.

#142981 In python/cpython;

·davidhewitt openedon Dec 19, 2025

Abort in free-threading <code>validate_refcounts</code>: "tracked objects must have a reference count &gt; 0"

interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)

topic-free-threading

type-crashA hard crash of the interpreter, possibly with a core dumpA hard crash of the interpreter, possibly with a core dump

Status: Open.

#142975 In python/cpython;

·devdanzin openedon Dec 19, 2025

Segfault in <code>test_sampling_profiler</code>

topic-profiling

type-crashA hard crash of the interpreter, possibly with a core dumpA hard crash of the interpreter, possibly with a core dump

Status: Open.

#142973 In python/cpython;

·encukou openedon Dec 19, 2025

<code>pathlib.path.rglob</code> no longer returns sorted files starting at <code>3.12</code>

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

topic-pathlib

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

Status: Open.

#142972 In python/cpython;

·mflova openedon Dec 19, 2025

<code>ISNONTERMINAL</code> and <code>ISTERMINAL</code> in <code>token.py</code> accept float arguments in CPython but raise TypeError in PyPy

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

topic-parser

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

Status: Open.

#142968 In python/cpython;

·EgodPrime openedon Dec 19, 2025

ctypes.POINTER.set_type doesn't reset format

extension-modulesC modules in the Modules dirC modules in the Modules dir

topic-ctypes

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

Status: Open.

#142966 In python/cpython;

·youknowone openedon Dec 19, 2025

Incorrect docs for <code>typing.Concatenate</code>

docsDocumentation in the Doc dirDocumentation in the Doc dir

topic-typing

Status: Open.

#142965 In python/cpython;

·A5rocks openedon Dec 19, 2025

Commit ff4959b6b0cf6da5d2f59260a9103b31c812b0ba broke some pdb backtraces

3.14bugs and security fixesbugs and security fixes

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

Status: Open.

#142964 In python/cpython;

·pablogsal openedon Dec 19, 2025

JIT: Segfault at <code>binary_op1</code>

interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)

topic-JIT

type-crashA hard crash of the interpreter, possibly with a core dumpA hard crash of the interpreter, possibly with a core dump

Status: Open.

#142961 In python/cpython;

·devdanzin openedon Dec 19, 2025

Incomplete 'function' entries in Types and Members table in inspect documentation

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#142958 In python/cpython;

·Dutcho openedon Dec 18, 2025