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=== tests/cases/compiler/typeParameterFixingWithContextSensitiveArguments.ts ===
function f<T, U>(y: T, f: (x: T) => U, x: T): [T, U] { return [y, f(x)]; }
>f : <T, U>(y: T, f: (x: T) => U, x: T) => [T, U]
>y : T
>f : (x: T) => U
>x : T
>x : T
>[y, f(x)] : [T, U]
>y : T
>f(x) : U
>f : (x: T) => U
>x : T
interface A { a: A; }
>a : A
interface B extends A { b; }
>b : any
var a: A, b: B;
>a : A
>b : B
var d = f(b, x => x.a, a); // type [A, A]
>d : [A, A]
>f(b, x => x.a, a) : [A, A]
>f : <T, U>(y: T, f: (x: T) => U, x: T) => [T, U]
>b : B
>x => x.a : (x: A) => A
>x : A
>x.a : A
>x : A
>a : A
>a : A
var d2 = f(b, x => x.a, null); // type [B, A]
>d2 : [B, A]
>f(b, x => x.a, null) : [B, A]
>f : <T, U>(y: T, f: (x: T) => U, x: T) => [T, U]
>b : B
>x => x.a : (x: B) => A
>x : B
>x.a : A
>x : B
>a : A
>null : null
var d3 = f(b, x => x.b, null); // type [B, any]
>d3 : [B, any]
>f(b, x => x.b, null) : [B, any]
>f : <T, U>(y: T, f: (x: T) => U, x: T) => [T, U]
>b : B
>x => x.b : (x: B) => any
>x : B
>x.b : any
>x : B
>b : any
>null : null
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