[mypyc] Fix subclass processing in detect_undefined_bitmap by Chainfire · Pull Request #19787 · python/mypy

@Chainfire

Incorrect processing in detect_undefined_bitmap could cause
a ValueError exception in emit_undefined_attr_check.

hauntsaninja

approved these changes Sep 3, 2025

KevinRK29 pushed a commit that referenced this pull request

Sep 9, 2025
Incorrect processing in detect_undefined_bitmap could cause a ValueError
exception in emit_undefined_attr_check.