[Issue 15623] is(M!N) evaluates to true for M!N that fails to instantiate.

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=15623

--- Comment #3 from Adrian Matoga <e...@atari8.info> ---
*** Issue 15600 has been marked as a duplicate of this issue. ***

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