=== tests/cases/compiler/overload2.ts ===
enum A { }
>A : Symbol(A, Decl(overload2.ts, 0, 0))

enum B { }
>B : Symbol(B, Decl(overload2.ts, 0, 10))
    
function foo(a: A);
>foo : Symbol(foo, Decl(overload2.ts, 1, 10), Decl(overload2.ts, 3, 19), Decl(overload2.ts, 4, 19))
>a : Symbol(a, Decl(overload2.ts, 3, 13))
>A : Symbol(A, Decl(overload2.ts, 0, 0))

function foo(b: B);
>foo : Symbol(foo, Decl(overload2.ts, 1, 10), Decl(overload2.ts, 3, 19), Decl(overload2.ts, 4, 19))
>b : Symbol(b, Decl(overload2.ts, 4, 13))
>B : Symbol(B, Decl(overload2.ts, 0, 10))

// should be ok
function foo(x: number) { 
>foo : Symbol(foo, Decl(overload2.ts, 1, 10), Decl(overload2.ts, 3, 19), Decl(overload2.ts, 4, 19))
>x : Symbol(x, Decl(overload2.ts, 6, 13))
}

class C { }
>C : Symbol(C, Decl(overload2.ts, 7, 1))

function foo1(a: A);
>foo1 : Symbol(foo1, Decl(overload2.ts, 9, 11), Decl(overload2.ts, 10, 20), Decl(overload2.ts, 11, 20))
>a : Symbol(a, Decl(overload2.ts, 10, 14))
>A : Symbol(A, Decl(overload2.ts, 0, 0))

function foo1(c: C);
>foo1 : Symbol(foo1, Decl(overload2.ts, 9, 11), Decl(overload2.ts, 10, 20), Decl(overload2.ts, 11, 20))
>c : Symbol(c, Decl(overload2.ts, 11, 14))
>C : Symbol(C, Decl(overload2.ts, 7, 1))

// should be ok
function foo1(x: number) { 
>foo1 : Symbol(foo1, Decl(overload2.ts, 9, 11), Decl(overload2.ts, 10, 20), Decl(overload2.ts, 11, 20))
>x : Symbol(x, Decl(overload2.ts, 13, 14))
}