=== tests/cases/compiler/contextualTypingWithGenericSignature.ts ===
// If e is a FunctionExpression or ArrowFunctionExpression with no type parameters and no parameter or return type annotations, and T is a function type with EXACTLY ONE non - generic call signature, then any inferences made for type parameters referenced by the parameters of T’s call signature are fixed(section 4.12.2) and e is processed with the contextual type T, as described in section 4.9.3.

var f2: {
>f2 : Symbol(f2, Decl(contextualTypingWithGenericSignature.ts, 2, 3))

    <T, U>(x: T, y: U): T
>T : Symbol(T, Decl(contextualTypingWithGenericSignature.ts, 3, 5))
>U : Symbol(U, Decl(contextualTypingWithGenericSignature.ts, 3, 7))
>x : Symbol(x, Decl(contextualTypingWithGenericSignature.ts, 3, 11))
>T : Symbol(T, Decl(contextualTypingWithGenericSignature.ts, 3, 5))
>y : Symbol(y, Decl(contextualTypingWithGenericSignature.ts, 3, 16))
>U : Symbol(U, Decl(contextualTypingWithGenericSignature.ts, 3, 7))
>T : Symbol(T, Decl(contextualTypingWithGenericSignature.ts, 3, 5))

};

f2 = (x, y) => { return x }
>f2 : Symbol(f2, Decl(contextualTypingWithGenericSignature.ts, 2, 3))
>x : Symbol(x, Decl(contextualTypingWithGenericSignature.ts, 6, 6))
>y : Symbol(y, Decl(contextualTypingWithGenericSignature.ts, 6, 8))
>x : Symbol(x, Decl(contextualTypingWithGenericSignature.ts, 6, 6))