[Issue 23686] template instance reused with default alias arg

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23686

Basile-z <b2.temp at gmx.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|template instance reused    |template instance reused
                   |with default alas arg       |with default alias arg

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