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Minor issues prevent compatibility regen'd interpreter loop #143531

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@DinoV

Bug report

Bug description:

There's some minor issues that prevent a re-gen'd interpreter loop for a PEP 523 replacer from working as ideally as it would. One example is that the specializer won't kick in even if the re-gen'd interpreter is compatible.

CPython versions tested on:

CPython main branch

Operating systems tested on:

Linux

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  1. added
    type-bugAn unexpected behavior, bug, or error
    on Jan 7, 2026
  2. self-assigned this
    on Jan 7, 2026
  3. changed the title [-]Minor issues prevent compatible regen'd interpreter loop[/-] [+]Minor issues prevent compatibility regen'd interpreter loop[/+] on Jan 7, 2026
  4. added a commit that references this issue on Jan 7, 2026
  5. added a commit that references this issue on Jan 12, 2026
  6. added a commit that references this issue on Feb 15, 2026
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interpreter-core(Objects, Python, Grammar, and Parser dirs)type-bugAn unexpected behavior, bug, or error

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