[Issue 15086] import doesn't verify module declaration

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=15086

--- Comment #9 from Andrei Alexandrescu <andrei at erdani.com> ---
Meant to write:

Per the discussion in https://github.com/dlang/dmd/pull/7778

--