library /*isNonNullableByDefault*/;
//
// Problems in library:
//
// pkg/front_end/testcases/enhanced_enums/enum_as_supertype_error.dart:5:7: Error: Non-abstract class 'A' has 'Enum' as a superinterface.
// class A extends Enum { // Error.
//       ^
//
// pkg/front_end/testcases/enhanced_enums/enum_as_supertype_error.dart:9:7: Error: Non-abstract class 'B' has 'Enum' as a superinterface.
// class B implements Enum { // Error.
//       ^
//
// pkg/front_end/testcases/enhanced_enums/enum_as_supertype_error.dart:15:7: Error: Non-abstract class 'EnumClass' has 'Enum' as a superinterface.
// class EnumClass extends EnumInterface { // Error.
//       ^
//
// pkg/front_end/testcases/enhanced_enums/enum_as_supertype_error.dart:16:11: Error: 'EnumClass' has 'Enum' as a superinterface and can't contain non-static members with name 'index'.
//   int get index => 0; // Error
//           ^^^^^
//
// pkg/front_end/testcases/enhanced_enums/enum_as_supertype_error.dart:21:7: Error: Non-abstract class 'EnumClass2' has 'Enum' as a superinterface.
// class EnumClass2 extends AbstractEnumClass {} // Error.
//       ^
//
// pkg/front_end/testcases/enhanced_enums/enum_as_supertype_error.dart:27:7: Error: Non-abstract class 'EnumClass3' has 'Enum' as a superinterface.
// class EnumClass3 extends AbstractEnumClass2 {} // Error.
//       ^
//
// pkg/front_end/testcases/enhanced_enums/enum_as_supertype_error.dart:5:7: Error: The non-abstract class 'A' is missing implementations for these members:
//  - Enum.index
// Try to either
//  - provide an implementation,
//  - inherit an implementation from a superclass or mixin,
//  - mark the class as abstract, or
//  - provide a 'noSuchMethod' implementation.
//
// class A extends Enum { // Error.
//       ^
// sdk/lib/core/enum.dart:22:11: Context: 'Enum.index' is defined here.
//   int get index;
//           ^^^^^
//
// pkg/front_end/testcases/enhanced_enums/enum_as_supertype_error.dart:9:7: Error: The non-abstract class 'B' is missing implementations for these members:
//  - Enum.index
// Try to either
//  - provide an implementation,
//  - inherit an implementation from a superclass or mixin,
//  - mark the class as abstract, or
//  - provide a 'noSuchMethod' implementation.
//
// class B implements Enum { // Error.
//       ^
// sdk/lib/core/enum.dart:22:11: Context: 'Enum.index' is defined here.
//   int get index;
//           ^^^^^
//
// pkg/front_end/testcases/enhanced_enums/enum_as_supertype_error.dart:21:7: Error: The non-abstract class 'EnumClass2' is missing implementations for these members:
//  - Enum.index
// Try to either
//  - provide an implementation,
//  - inherit an implementation from a superclass or mixin,
//  - mark the class as abstract, or
//  - provide a 'noSuchMethod' implementation.
//
// class EnumClass2 extends AbstractEnumClass {} // Error.
//       ^^^^^^^^^^
// sdk/lib/core/enum.dart:22:11: Context: 'Enum.index' is defined here.
//   int get index;
//           ^^^^^
//
// pkg/front_end/testcases/enhanced_enums/enum_as_supertype_error.dart:27:7: Error: The non-abstract class 'EnumClass3' is missing implementations for these members:
//  - Enum.index
// Try to either
//  - provide an implementation,
//  - inherit an implementation from a superclass or mixin,
//  - mark the class as abstract, or
//  - provide a 'noSuchMethod' implementation.
//
// class EnumClass3 extends AbstractEnumClass2 {} // Error.
//       ^^^^^^^^^^
// sdk/lib/core/enum.dart:22:11: Context: 'Enum.index' is defined here.
//   int get index;
//           ^^^^^
//
// pkg/front_end/testcases/enhanced_enums/enum_as_supertype_error.dart:25:16: Error: 'Object' doesn't implement 'Enum' so it can't be used with 'EnumMixin'.
//  - 'Object' is from 'dart:core'.
//  - 'Enum' is from 'dart:core'.
//  - 'EnumMixin' is from 'pkg/front_end/testcases/enhanced_enums/enum_as_supertype_error.dart'.
// abstract class AbstractEnumClass2 with EnumMixin {}
//                ^
//
import self as self;
import "dart:core" as core;

class A extends core::Enum {
  synthetic constructor •() → self::A
    ;
  get foo() → core::int
    ;
  no-such-method-forwarder get /* from org-dartlang-sdk:///sdk/lib/core/enum.dart */ _name() → core::String
    return this.{core::Object::noSuchMethod}(new core::_InvocationMirror::_withType(#_name, 1, const <core::Type*>[], const <dynamic>[], core::Map::unmodifiable<core::Symbol*, dynamic>(const <core::Symbol*, dynamic>{}))){(core::Invocation) → dynamic} as{TypeError,ForDynamic,ForNonNullableByDefault} core::String;
}
class B extends core::Object implements core::Enum {
  synthetic constructor •() → self::B
    ;
  get foo() → core::int
    ;
  no-such-method-forwarder get /* from org-dartlang-sdk:///sdk/lib/core/enum.dart */ _name() → core::String
    return this.{core::Object::noSuchMethod}(new core::_InvocationMirror::_withType(#_name, 1, const <core::Type*>[], const <dynamic>[], core::Map::unmodifiable<core::Symbol*, dynamic>(const <core::Symbol*, dynamic>{}))){(core::Invocation) → dynamic} as{TypeError,ForDynamic,ForNonNullableByDefault} core::String;
}
abstract class EnumInterface extends core::Object implements core::Enum {
  synthetic constructor •() → self::EnumInterface
    ;
}
class EnumClass extends self::EnumInterface {
  synthetic constructor •() → self::EnumClass
    ;
  get index() → core::int
    ;
  no-such-method-forwarder get /* from org-dartlang-sdk:///sdk/lib/core/enum.dart */ _name() → core::String
    return this.{core::Object::noSuchMethod}(new core::_InvocationMirror::_withType(#_name, 1, const <core::Type*>[], const <dynamic>[], core::Map::unmodifiable<core::Symbol*, dynamic>(const <core::Symbol*, dynamic>{}))){(core::Invocation) → dynamic} as{TypeError,ForDynamic,ForNonNullableByDefault} core::String;
}
abstract class AbstractEnumClass extends self::EnumInterface {
  synthetic constructor •() → self::AbstractEnumClass
    ;
}
class EnumClass2 extends self::AbstractEnumClass {
  synthetic constructor •() → self::EnumClass2
    ;
  no-such-method-forwarder get /* from org-dartlang-sdk:///sdk/lib/core/enum.dart */ _name() → core::String
    return this.{core::Object::noSuchMethod}(new core::_InvocationMirror::_withType(#_name, 1, const <core::Type*>[], const <dynamic>[], core::Map::unmodifiable<core::Symbol*, dynamic>(const <core::Symbol*, dynamic>{}))){(core::Invocation) → dynamic} as{TypeError,ForDynamic,ForNonNullableByDefault} core::String;
}
abstract class EnumMixin extends core::Enum /*isMixinDeclaration*/  {
}
abstract class _AbstractEnumClass2&Object&EnumMixin = core::Object with self::EnumMixin /*isAnonymousMixin,hasConstConstructor*/  {
  const synthetic constructor •() → self::_AbstractEnumClass2&Object&EnumMixin
    : super core::Object::•()
    ;
}
abstract class AbstractEnumClass2 extends self::_AbstractEnumClass2&Object&EnumMixin {
  synthetic constructor •() → self::AbstractEnumClass2
    ;
}
class EnumClass3 extends self::AbstractEnumClass2 {
  synthetic constructor •() → self::EnumClass3
    ;
  no-such-method-forwarder get /* from org-dartlang-sdk:///sdk/lib/core/enum.dart */ _name() → core::String
    return this.{core::Object::noSuchMethod}(new core::_InvocationMirror::_withType(#_name, 1, const <core::Type*>[], const <dynamic>[], core::Map::unmodifiable<core::Symbol*, dynamic>(const <core::Symbol*, dynamic>{}))){(core::Invocation) → dynamic} as{TypeError,ForDynamic,ForNonNullableByDefault} core::String;
}
static method main() → dynamic
  ;


Extra constant evaluation status:
Evaluated: SymbolLiteral @ org-dartlang-sdk:///sdk/lib/core/enum.dart:47:14 -> SymbolConstant(#_name)
Evaluated: ListLiteral @ org-dartlang-sdk:///sdk/lib/core/enum.dart:47:14 -> ListConstant(const <Type*>[])
Evaluated: ListLiteral @ org-dartlang-sdk:///sdk/lib/core/enum.dart:47:14 -> ListConstant(const <dynamic>[])
Evaluated: MapLiteral @ org-dartlang-sdk:///sdk/lib/core/enum.dart:47:14 -> MapConstant(const <Symbol*, dynamic>{})
Evaluated: SymbolLiteral @ org-dartlang-sdk:///sdk/lib/core/enum.dart:47:14 -> SymbolConstant(#_name)
Evaluated: ListLiteral @ org-dartlang-sdk:///sdk/lib/core/enum.dart:47:14 -> ListConstant(const <Type*>[])
Evaluated: ListLiteral @ org-dartlang-sdk:///sdk/lib/core/enum.dart:47:14 -> ListConstant(const <dynamic>[])
Evaluated: MapLiteral @ org-dartlang-sdk:///sdk/lib/core/enum.dart:47:14 -> MapConstant(const <Symbol*, dynamic>{})
Evaluated: SymbolLiteral @ org-dartlang-sdk:///sdk/lib/core/enum.dart:47:14 -> SymbolConstant(#_name)
Evaluated: ListLiteral @ org-dartlang-sdk:///sdk/lib/core/enum.dart:47:14 -> ListConstant(const <Type*>[])
Evaluated: ListLiteral @ org-dartlang-sdk:///sdk/lib/core/enum.dart:47:14 -> ListConstant(const <dynamic>[])
Evaluated: MapLiteral @ org-dartlang-sdk:///sdk/lib/core/enum.dart:47:14 -> MapConstant(const <Symbol*, dynamic>{})
Evaluated: SymbolLiteral @ org-dartlang-sdk:///sdk/lib/core/enum.dart:47:14 -> SymbolConstant(#_name)
Evaluated: ListLiteral @ org-dartlang-sdk:///sdk/lib/core/enum.dart:47:14 -> ListConstant(const <Type*>[])
Evaluated: ListLiteral @ org-dartlang-sdk:///sdk/lib/core/enum.dart:47:14 -> ListConstant(const <dynamic>[])
Evaluated: MapLiteral @ org-dartlang-sdk:///sdk/lib/core/enum.dart:47:14 -> MapConstant(const <Symbol*, dynamic>{})
Evaluated: SymbolLiteral @ org-dartlang-sdk:///sdk/lib/core/enum.dart:47:14 -> SymbolConstant(#_name)
Evaluated: ListLiteral @ org-dartlang-sdk:///sdk/lib/core/enum.dart:47:14 -> ListConstant(const <Type*>[])
Evaluated: ListLiteral @ org-dartlang-sdk:///sdk/lib/core/enum.dart:47:14 -> ListConstant(const <dynamic>[])
Evaluated: MapLiteral @ org-dartlang-sdk:///sdk/lib/core/enum.dart:47:14 -> MapConstant(const <Symbol*, dynamic>{})
Extra constant evaluation: evaluated: 45, effectively constant: 20