==== tests/cases/compiler/contextualTypingOfArrayLiterals1.ts (1 errors) ====
    interface I {
       [x: number]: Date;
    }
    
    var x3: I = [new Date(), 1]; 
        ~~
!!! Type '{}[]' is not assignable to type 'I':
!!!   Index signatures are incompatible:
!!!     Type '{}' is not assignable to type 'Date':
!!!       Property 'toDateString' is missing in type '{}'.
    var r2 = x3[1]; 
    r2.getDate();