==== tests/cases/compiler/objectLitStructuralTypeMismatch.ts (1 errors) ====
    // Shouldn't compile
    var x: { a: number; } = { b: 5 };
        ~
!!! Type '{ b: number; }' is not assignable to type '{ a: number; }':
!!!   Property 'a' is missing in type '{ b: number; }'.