[Issue 22531] importC: D name mangling applied to forward declaration of function inside function

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=22531

--- Comment #3 from Dlang Bot <dlang-bot at dlang.rocks> ---
dlang/dmd pull request #13446 "Move fix for issue 22531 from glue layer to
frontend" was merged into stable:

- f4ca2f2a26fb81ddbaf8e5626228eb74b54cf5c8 by Martin Kinkelin:
  Move fix for issue 22531 from glue layer to frontend

https://github.com/dlang/dmd/pull/13446

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