[Issue 20692] Nested alias declarations and getMember trait can crash dmd

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20692

--- Comment #3 from Dlang Bot <dlang-bot at dlang.rocks> ---
dlang/dmd pull request #12339 "[dmd-cxx] Backport fixes and trivial features
from upstream dmd" was merged into dmd-cxx:

- 9cbfd4a8700bb840b672aeb08b3ec6cce295c731 by Boris Carvajal:
  [dmd-cxx] Fix Issue 20692 - Nested alias declarations and getMember trait can
crash dmd

https://github.com/dlang/dmd/pull/12339

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