library /*isNonNullableByDefault*/;
//
// Problems in library:
//
// pkg/front_end/testcases/regress/issue_32660.dart:13:7: Error: The implementation of 'foo' in the non-abstract class 'C' does not conform to its interface.
// class C extends A implements B {
//       ^
// pkg/front_end/testcases/regress/issue_32660.dart:6:3: Context: The method 'A.foo' has fewer named arguments than those of overridden method 'B.foo'.
//   foo(int x) => x;
//   ^
// pkg/front_end/testcases/regress/issue_32660.dart:10:3: Context: This is the overridden method ('foo').
//   foo(int x, {int? y}) => y;
//   ^
//
// pkg/front_end/testcases/regress/issue_32660.dart:24:7: Error: The implementation of 'foo' in the non-abstract class 'E' does not conform to its interface.
// class E extends D {
//       ^
// pkg/front_end/testcases/regress/issue_32660.dart:21:3: Context: The method 'D.foo' has fewer named arguments than those of overridden method 'E.foo'.
//   foo(int x) => x;
//   ^
// pkg/front_end/testcases/regress/issue_32660.dart:25:3: Context: This is the overridden method ('foo').
//   foo(int x, {int? y});
//   ^
//
import self as self;
import "dart:core" as core;

class A extends core::Object {
  synthetic constructor •() → self::A
    : super core::Object::•()
    ;
  method foo(core::int x) → dynamic
    return x;
}
class B extends core::Object {
  synthetic constructor •() → self::B
    : super core::Object::•()
    ;
  method foo(core::int x, {core::int? y = #C1}) → dynamic
    return y;
}
class C extends self::A implements self::B {
  synthetic constructor •() → self::C
    : super self::A::•()
    ;
  method noSuchMethod(core::Invocation i) → dynamic {
    core::print("No such method!");
    return 42;
  }
  abstract member-signature method foo(core::int x, {core::int? y = #C1}) → dynamic; -> self::B::foo
}
class D extends core::Object {
  synthetic constructor •() → self::D
    : super core::Object::•()
    ;
  method foo(core::int x) → dynamic
    return x;
}
class E extends self::D {
  synthetic constructor •() → self::E
    : super self::D::•()
    ;
  abstract method foo(core::int x, {core::int? y = #C1}) → dynamic;
  method noSuchMethod(core::Invocation i) → dynamic {
    core::print(i.{core::Invocation::namedArguments}{core::Map<core::Symbol, dynamic>});
    return 42;
  }
}
static method main() → dynamic {
  self::C c = new self::C::•();
  self::E e = new self::E::•();
}

constants  {
  #C1 = null
}