[Issue 22860] `Error: unknown` with mutually recursive and nested SumType

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=22860

--- Comment #3 from Dlang Bot <dlang-bot at dlang.rocks> ---
dlang/dmd pull request #13892 "Merge stable into master" was merged into
master:

- 2a215e0c3693cbfa50c43515459571b163c1bad1 by Iain Buclaw:
  fix Issue 22860 - 'Error: unknown' with mutually recursive and nested SumType

https://github.com/dlang/dmd/pull/13892

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