[Issue 19192] [wrong-code] [crashes] Covariant method interface <- abstract class <- class hierarchies

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https://issues.dlang.org/show_bug.cgi?id=19192

Dlang Bot <dlang-bot at dlang.rocks> changed:

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--- Comment #4 from Dlang Bot <dlang-bot at dlang.rocks> ---
@puneet created dlang/dmd pull request #12302 "Fix issue 19192 - [wrong-code]
[crashes] Covariant method interface <…" fixing this issue:

- Fix issue 19192 - [wrong-code] [crashes] Covariant method interface <-
abstract class <- class hierarchies

  While analyzing covariant methods, dmd semantic analyzer searched for
  immediate interfaces of the class that may have a vtbl entry matching
  the method. This failed for possible scenarios where the covariant
  method may be declared in an interface inheritance of an abstract base
  class.

  The fix adds a for loop that iterates over the base classes to find
  the relevant interface with matching vtbl entry.

https://github.com/dlang/dmd/pull/12302

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