[Issue 14249] Loose error check for incorrect template mixin

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=14249

--- Comment #4 from github-bugzilla at puremagic.com ---
Commit pushed to stable at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/bdc92c7c244398a361261369c3f59daccaa62664
fix Issue 14249 - Loose error check for incorrect template mixin

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