[Issue 23279] Segmentation fault on mixin template + using unknown type

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23279

RazvanN <razvan.nitu1305 at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|normal                      |critical

--