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JIT: _Py_uop_sym_get_type returns PyGen_Type instead of NULL #148374

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JIT: _Py_uop_sym_get_type returns PyGen_Type instead of NULL#148374
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interpreter-core(Objects, Python, Grammar, and Parser dirs)topic-JITtype-bugAn unexpected behavior, bug, or error

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@Sacul0457
Sacul0457
opened on Apr 11, 2026

Bug report

Bug description:

_Py_uop_sym_get_type returns PyGen_Type if the tag is a JIT_SYM_RECORDED_GEN_FUNC_TAG, but it should return NULL instead. (Thanks to @Fidget-Spinner for spotting the bug!)

See #148372

CPython versions tested on:

CPython main branch

Operating systems tested on:

No response

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  1. Sacul0457
    added
    type-bugAn unexpected behavior, bug, or error
    on Apr 11, 2026
  2. StanFromIreland
    added
    interpreter-core(Objects, Python, Grammar, and Parser dirs)
    topic-JIT
    on Apr 11, 2026
  3. Fidget-Spinner
    added a commit that references this issue on Apr 11, 2026

    gh-148374: Fix a bug in `_Py_uop_sym_get_type` (GH-148375)

    83f33dc
  4. Fidget-Spinner
    closed this as completedon Apr 11, 2026
  5. ljfp
    added a commit that references this issue on Apr 25, 2026

    pythongh-148374: Fix a bug in `_Py_uop_sym_get_type` (pythonGH-148375)

    e4aac3e
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    interpreter-core(Objects, Python, Grammar, and Parser dirs)topic-JITtype-bugAn unexpected behavior, bug, or error

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