tests/cases/conformance/es6/yieldExpressions/generatorTypeCheck52.ts(3,11): error TS2504: No best common type exists among yield expressions.


==== tests/cases/conformance/es6/yieldExpressions/generatorTypeCheck52.ts (1 errors) ====
    class Foo { x: number }
    class Baz { z: number }
    function* g() {
              ~
!!! error TS2504: No best common type exists among yield expressions.
        yield new Foo;
        yield new Baz;
    }