[Issue 14739] Immutable alias to template triggers dmd assert

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=14739

Iain Buclaw <ibuclaw at gdcproject.org> changed:

           What    |Removed                     |Added
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             Status|NEW                         |RESOLVED
                 CC|                            |ibuclaw at gdcproject.org
         Resolution|---                         |FIXED

--- Comment #5 from Iain Buclaw <ibuclaw at gdcproject.org> ---
This seems to be fixed now, added the test case here to make sure it doesn't
regress.

https://github.com/dlang/dmd/pull/8428

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