[Issue 6980] Disallow shadowing template parameters

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=6980

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

           What    |Removed                     |Added
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                 CC|                            |andrei at erdani.com

--- Comment #4 from Basile-z <b2.temp at gmx.com> ---
*** Issue 14516 has been marked as a duplicate of this issue. ***

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