==== tests/cases/compiler/foo1.ts (1 errors) ====
    var x = 10;
    var y = 20;
    export = x;
    export = y;
    ~~~~~~~~~~~
!!! foo1.ts(4,1): error TS1065: Module cannot have multiple export assignments.
    
==== tests/cases/compiler/foo2.ts (1 errors) ====
    var x = 10;
    class y {};
    export = x;
    export = y;
    ~~~~~~~~~~~
!!! foo2.ts(4,1): error TS1065: Module cannot have multiple export assignments.
    
==== tests/cases/compiler/foo3.ts (1 errors) ====
    module x {
        export var x = 10;
    }
    class y {
        y: number;
    }
    export = x;
    export = y;
    ~~~~~~~~~~~
!!! foo3.ts(8,1): error TS1065: Module cannot have multiple export assignments.
    
==== tests/cases/compiler/foo4.ts (1 errors) ====
    export = x;
    function x(){
        return 42;
    }
    function y(){
        return 42;
    }
    export = y;
    ~~~~~~~~~~~
!!! foo4.ts(8,1): error TS1065: Module cannot have multiple export assignments.
    
==== tests/cases/compiler/foo5.ts (2 errors) ====
    var x = 5;
    var y = "test";
    var z = {};
    export = x;
    export = y;
    ~~~~~~~~~~~
!!! foo5.ts(5,1): error TS1065: Module cannot have multiple export assignments.
    export = z;
    ~~~~~~~~~~~
!!! foo5.ts(6,1): error TS1065: Module cannot have multiple export assignments.
    