[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 #5 from github-bugzilla at puremagic.com ---
Commits pushed to master at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/87c7837a859216be29400874f9528a9f36c6d2cc
fix Issue 15623 - is(M!N) evaluates to true for M!N that fails to instantiate

Add a new scope flag, and check it to see whether full template instantiation
is necessary.

https://github.com/D-Programming-Language/dmd/commit/f87e138bb998c19c2a1fa4ecdbc1fca63bf7051d
Merge pull request #5477 from 9rnsr/fix15623

Issue 15623 - is(M!N) evaluates to true for M!N that fails to instantiate

--