[Issue 5973] alias this is not considered with superclass lookup

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=5973

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

           What    |Removed                     |Added
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             Status|RESOLVED                    |REOPENED
                 CC|                            |razvan.nitu1305 at gmail.com
         Resolution|DUPLICATE                   |---

--- Comment #3 from RazvanN <razvan.nitu1305 at gmail.com> ---
Reopening as 5380 and 5973 are slightly different. 5380 is a bug of implicit
conversion while this one is a bug of symbol resolution

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