[Issue 16278] [REG2.067] undefined reference when class template is instantiated only in 'is' expression

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=16278

--- Comment #3 from github-bugzilla at puremagic.com ---
Commits pushed to master at https://github.com/dlang/dmd

https://github.com/dlang/dmd/commit/bdf0df926f90b9243932e2ff76f79de644224b26
Fix issue #16278 - Do not emit TypeInfo for speculative instantiations.

https://github.com/dlang/dmd/commit/d7101f3e636d7aa970ddbab8623e5bebd7b96212
Merge pull request #6351 from LemonBoy/b16278

--