// Errors:
//
// pkg/front_end/testcases/circularity-via-initializing-formal.dart:15:3: Error: Can't infer the type of 'C._circular': circularity found during type inference.
// Specify the type explicitly.
//   C._circular(this.f);
//   ^^^^^^^^^^^

library;
import self as self;
import "dart:core" as core;

class C extends core::Object {
  field self::C f = new self::C::_circular(null);
  constructor _circular(self::C f) → void
    : self::C::f = f, super core::Object::•()
    ;
}
static field self::C x = new self::C::_circular(null);
static method main() → dynamic {}