[Issue 9149] Disallow converting delegates to const

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=9149

timon.gehr at gmx.ch changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|DUPLICATE                   |---

--- Comment #2 from timon.gehr at gmx.ch ---
This is not a duplicate.

Issue 1983 is a completely unrelated bug in the type checker (note that it will
no longer compile if one removes the const overload).

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