=== tests/cases/compiler/genericWithCallSignatureReturningSpecialization.ts ===
interface B<T> {
>B : B<T>, Symbol(B, Decl(genericWithCallSignatureReturningSpecialization.ts, 0, 0))
>T : T, Symbol(T, Decl(genericWithCallSignatureReturningSpecialization.ts, 0, 12))

    f(): B<number>;
>f : () => B<number>, Symbol(f, Decl(genericWithCallSignatureReturningSpecialization.ts, 0, 16))
>B : B<T>, Symbol(B, Decl(genericWithCallSignatureReturningSpecialization.ts, 0, 0))

    (value: T): void;
>value : T, Symbol(value, Decl(genericWithCallSignatureReturningSpecialization.ts, 2, 5))
>T : T, Symbol(T, Decl(genericWithCallSignatureReturningSpecialization.ts, 0, 12))
}
var x: B<boolean>;
>x : B<boolean>, Symbol(x, Decl(genericWithCallSignatureReturningSpecialization.ts, 4, 3))
>B : B<T>, Symbol(B, Decl(genericWithCallSignatureReturningSpecialization.ts, 0, 0))

x(true); // was error
>x(true) : void
>x : B<boolean>, Symbol(x, Decl(genericWithCallSignatureReturningSpecialization.ts, 4, 3))
>true : boolean