==== tests/cases/compiler/arrayAssignmentTest3.ts (2 errors) ====
    // The following gives no error
    // Michal saw no error if he used number instead of B, 
    // but I do...
    class B {}
    
    class a {
        constructor(public x: string, public y: number, z: B[]) { }
    }
    
    
    
    var xx = new a(null, 7, new B());
                 ~
!!! arrayAssignmentTest3.ts(12,14): error TS2082: Supplied parameters do not match any signature of call target:
!!! 	Type 'B' is missing property 'concat' from type 'B[]'.
                 ~
!!! arrayAssignmentTest3.ts(12,14): error TS2085: Could not select overload for 'new' expression.
    
    