[Issue 24563] Make the compiler provide a reason for why it has disabled a function

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=24563

RazvanN <razvan.nitu1305 at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |razvan.nitu1305 at gmail.com

--- Comment #1 from RazvanN <razvan.nitu1305 at gmail.com> ---
The problem here is that the error is found in generated code which generally
is cryptic to the user. Ideally, you would have a way to propagate the error
that is found in generated code in a way that you can link the error message to
actual user code.

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