[Issue 23279] Segmentation fault on mixin template + using unknown type

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23279

--- Comment #7 from Dlang Bot <dlang-bot at dlang.rocks> ---
@RazvanN7 updated dlang/dmd pull request #15406 "Fix Issue 23951 -
traits(getMember) does not follow alias this" fixing this issue:

- Fix Issue 23279 - ICE when using traits(hasMember) with an erroneous member

https://github.com/dlang/dmd/pull/15406

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