[Issue 18520] Different delegates can be aliased to the same name multiple times

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18520

--- Comment #1 from monkeyworks12 at hotmail.com ---
The code seemingly functions correctly when I change it as follows:

int  f1(int n)  { return 0; }
char f2(char c) { return 'a'; }
bool f3(bool b) { return false; }

alias f = f1;
alias f = f2;
alias f = f3;

void main()
{   
    import std.stdio;
    writeln(f(int.init));  //Prints 0
    writeln(f(char.init)); //Prints 'a'
    writeln(f(bool.init)); //Prints false
}

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