[Issue 23459] New: Don't use 'Candidate is' when there is more than one alias function overload

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23459

          Issue ID: 23459
           Summary: Don't use 'Candidate is' when there is more than one
                    alias function overload
           Product: D
           Version: D2
          Hardware: x86
                OS: Windows
            Status: NEW
          Severity: trivial
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: nick at geany.org

void foo(int) {}
void bar(double) {}
alias func = foo;
alias func = bar;

void main()
{
    func("abc");
}

fail_compilation/diag14818.d(12):        Candidate is: `diag14818.foo(int
_param_0)`
fail_compilation/diag14818.d(13):                        `diag14818.bar(double
_param_0)`

Should be 'Candidates are'.

PR incoming.

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