library test /*isNonNullableByDefault*/;
//
// Problems in library:
//
// pkg/front_end/testcases/inference/circular_reference_via_closures.dart:8:5: Error: Can't infer the type of 'x': circularity found during type inference.
// Specify the type explicitly.
// var x = /*@returnType=() -> invalid-type*/ () => y;
//     ^
//
import self as self;

static field invalid-type x = () → () → invalid-type => self::y;
static field () → invalid-type y = () → invalid-type => self::x;
static method main() → dynamic {}