https://issues.dlang.org/show_bug.cgi?id=15623
--- Comment #5 from [email protected] --- 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 --
