=== tests/cases/compiler/parameterPropertyInitializerInInitializers.ts ===
class Foo {
>Foo : Foo, Symbol(Foo, Decl(parameterPropertyInitializerInInitializers.ts, 0, 0))

    constructor(public x: number, public y: number = x) { }
>x : number, Symbol(x, Decl(parameterPropertyInitializerInInitializers.ts, 1, 16))
>y : number, Symbol(y, Decl(parameterPropertyInitializerInInitializers.ts, 1, 33))
>x : number, Symbol(x, Decl(parameterPropertyInitializerInInitializers.ts, 1, 16))
}