library /*isNonNullableByDefault*/;
import self as self;
import "dart:core" as core;

class A extends core::Object {
  synthetic constructor •() → self::A
    : super core::Object::•()
    ;
}
class B extends self::A {
  synthetic constructor •() → self::B
    : super self::A::•()
    ;
}
static field core::List<core::int> intList = <core::int>[1, 2];
static field core::List<self::A> list1 = self::intList.{core::Iterable::map}<self::B>((core::int i) → self::B => new self::B::•()){((core::int) → self::B) → core::Iterable<self::B>}.{core::Iterable::toList}(){({growable: core::bool}) → core::List<self::B>};
static method test(core::List<self::A> list) → dynamic {
  try {
    list.{core::List::add}(new self::A::•()){(self::A) → void};
    list.{core::List::removeLast}(){() → self::A};
  }
  on core::Object catch(final core::Object e) {
    return;
  }
  throw "Expected subtype error";
}
static method main() → dynamic {
  self::test(self::list1);
  self::list1 = self::intList.{core::Iterable::map}<self::B>((core::int i) → self::B => new self::B::•()){((core::int) → self::B) → core::Iterable<self::B>}.{core::Iterable::toList}(){({growable: core::bool}) → core::List<self::B>};
  self::test(self::list1);
  core::List<self::A> list2 = self::intList.{core::Iterable::map}<self::B>((core::int i) → self::B => new self::B::•()){((core::int) → self::B) → core::Iterable<self::B>}.{core::Iterable::toList}(){({growable: core::bool}) → core::List<self::B>};
  self::test(list2);
  list2 = self::intList.{core::Iterable::map}<self::B>((core::int i) → self::B => new self::B::•()){((core::int) → self::B) → core::Iterable<self::B>}.{core::Iterable::toList}(){({growable: core::bool}) → core::List<self::B>};
  self::test(list2);
  self::test(self::intList.{core::Iterable::map}<self::B>((core::int i) → self::B => new self::B::•()){((core::int) → self::B) → core::Iterable<self::B>}.{core::Iterable::toList}(){({growable: core::bool}) → core::List<self::B>});
}