Multiple functions, same signature

[Seb]

On Wednesday, 11 July 2018 at 15:58:05 UTC, Luís Marques wrote:
> I was surprised to find out today that this compiles:
>
> void foo() {}
> void foo() {}
> void main() {}
>
> Is it a bug, or just a weird design decision? "alphaglosined" 
> on IRC seemed to think it was a regression. Please confirm, so 
> that I can file a bug, or understand the design decision 
> rationale.

This will be deprecated soon: 
https://github.com/dlang/dmd/pull/8429