library;
//
// Problems in library:
//
// pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:26:8: Error: The argument type 'C<dynamic>' can't be assigned to the parameter type 'A'.
//  - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//  - 'A' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//   a == c_dynamic; // error
//        ^
//
// pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:27:8: Error: The argument type 'C<int>' can't be assigned to the parameter type 'A'.
//  - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//  - 'A' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//   a == c_int; // error
//        ^
//
// pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:28:8: Error: The argument type 'C<String>' can't be assigned to the parameter type 'A'.
//  - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//  - 'A' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//   a == c_string; // error
//        ^
//
// pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:29:8: Error: The argument type 'D' can't be assigned to the parameter type 'A'.
//  - 'D' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//  - 'A' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//   a == d; // error
//        ^
//
// pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:33:8: Error: The argument type 'C<dynamic>' can't be assigned to the parameter type 'A'.
//  - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//  - 'A' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//   b == c_dynamic; // error
//        ^
//
// pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:34:8: Error: The argument type 'C<int>' can't be assigned to the parameter type 'A'.
//  - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//  - 'A' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//   b == c_int; // error
//        ^
//
// pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:35:8: Error: The argument type 'C<String>' can't be assigned to the parameter type 'A'.
//  - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//  - 'A' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//   b == c_string; // error
//        ^
//
// pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:36:8: Error: The argument type 'D' can't be assigned to the parameter type 'A'.
//  - 'D' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//  - 'A' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//   b == d; // error
//        ^
//
// pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:38:16: Error: The argument type 'A' can't be assigned to the parameter type 'C<dynamic>'.
//  - 'A' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//  - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//   c_dynamic == a; // error
//                ^
//
// pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:39:16: Error: The argument type 'B' can't be assigned to the parameter type 'C<dynamic>'.
//  - 'B' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//  - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//   c_dynamic == b; // error
//                ^
//
// pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:45:12: Error: The argument type 'A' can't be assigned to the parameter type 'C<int>'.
//  - 'A' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//  - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//   c_int == a; // error
//            ^
//
// pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:46:12: Error: The argument type 'B' can't be assigned to the parameter type 'C<int>'.
//  - 'B' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//  - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//   c_int == b; // error
//            ^
//
// pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:49:12: Error: The argument type 'C<String>' can't be assigned to the parameter type 'C<int>'.
//  - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//   c_int == c_string; // error
//            ^
//
// pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:52:15: Error: The argument type 'A' can't be assigned to the parameter type 'C<String>'.
//  - 'A' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//  - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//   c_string == a; // error
//               ^
//
// pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:53:15: Error: The argument type 'B' can't be assigned to the parameter type 'C<String>'.
//  - 'B' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//  - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//   c_string == b; // error
//               ^
//
// pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:55:15: Error: The argument type 'C<int>' can't be assigned to the parameter type 'C<String>'.
//  - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//   c_string == c_int; // error
//               ^
//
// pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:57:15: Error: The argument type 'D' can't be assigned to the parameter type 'C<String>'.
//  - 'D' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//  - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//   c_string == d; // error
//               ^
//
// pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:59:8: Error: The argument type 'A' can't be assigned to the parameter type 'C<int>'.
//  - 'A' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//  - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//   d == a; // error
//        ^
//
// pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:60:8: Error: The argument type 'B' can't be assigned to the parameter type 'C<int>'.
//  - 'B' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//  - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//   d == b; // error
//        ^
//
// pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:63:8: Error: The argument type 'C<String>' can't be assigned to the parameter type 'C<int>'.
//  - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
//   d == c_string; // error
//        ^
//
import self as self;
import "dart:core" as core;

class A extends core::Object {
  synthetic constructor •() → self::A*
    : super core::Object::•()
    ;
  operator ==(covariant self::A* other) → core::bool*
    return true;
}
class B extends self::A {
  synthetic constructor •() → self::B*
    : super self::A::•()
    ;
  operator ==(covariant self::A* other) → core::bool*
    return true;
}
class C<T extends core::Object* = dynamic> extends core::Object {
  synthetic constructor •() → self::C<self::C::T*>*
    : super core::Object::•()
    ;
  operator ==(covariant generic-covariant-impl self::C<self::C::T*>* other) → core::bool*
    return true;
}
class D extends self::C<core::int*> {
  synthetic constructor •() → self::D*
    : super self::C::•()
    ;
}
static method main() → dynamic {}
static method test(self::A* a, self::B* b, self::C<dynamic>* c_dynamic, self::C<core::int*>* c_int, self::C<core::String*>* c_string, self::D* d) → dynamic {
  a.{self::A::==}(a);
  a.{self::A::==}(b);
  a.{self::A::==}(let final<BottomType> #t1 = invalid-expression "pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:26:8: Error: The argument type 'C<dynamic>' can't be assigned to the parameter type 'A'.
 - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
 - 'A' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
  a == c_dynamic; // error
       ^" in c_dynamic as{TypeError} self::A*);
  a.{self::A::==}(let final<BottomType> #t2 = invalid-expression "pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:27:8: Error: The argument type 'C<int>' can't be assigned to the parameter type 'A'.
 - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
 - 'A' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
  a == c_int; // error
       ^" in c_int as{TypeError} self::A*);
  a.{self::A::==}(let final<BottomType> #t3 = invalid-expression "pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:28:8: Error: The argument type 'C<String>' can't be assigned to the parameter type 'A'.
 - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
 - 'A' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
  a == c_string; // error
       ^" in c_string as{TypeError} self::A*);
  a.{self::A::==}(let final<BottomType> #t4 = invalid-expression "pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:29:8: Error: The argument type 'D' can't be assigned to the parameter type 'A'.
 - 'D' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
 - 'A' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
  a == d; // error
       ^" in d as{TypeError} self::A*);
  b.{self::B::==}(a);
  b.{self::B::==}(b);
  b.{self::B::==}(let final<BottomType> #t5 = invalid-expression "pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:33:8: Error: The argument type 'C<dynamic>' can't be assigned to the parameter type 'A'.
 - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
 - 'A' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
  b == c_dynamic; // error
       ^" in c_dynamic as{TypeError} self::A*);
  b.{self::B::==}(let final<BottomType> #t6 = invalid-expression "pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:34:8: Error: The argument type 'C<int>' can't be assigned to the parameter type 'A'.
 - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
 - 'A' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
  b == c_int; // error
       ^" in c_int as{TypeError} self::A*);
  b.{self::B::==}(let final<BottomType> #t7 = invalid-expression "pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:35:8: Error: The argument type 'C<String>' can't be assigned to the parameter type 'A'.
 - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
 - 'A' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
  b == c_string; // error
       ^" in c_string as{TypeError} self::A*);
  b.{self::B::==}(let final<BottomType> #t8 = invalid-expression "pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:36:8: Error: The argument type 'D' can't be assigned to the parameter type 'A'.
 - 'D' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
 - 'A' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
  b == d; // error
       ^" in d as{TypeError} self::A*);
  c_dynamic.{self::C::==}(let final<BottomType> #t9 = invalid-expression "pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:38:16: Error: The argument type 'A' can't be assigned to the parameter type 'C<dynamic>'.
 - 'A' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
 - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
  c_dynamic == a; // error
               ^" in a as{TypeError} self::C<dynamic>*);
  c_dynamic.{self::C::==}(let final<BottomType> #t10 = invalid-expression "pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:39:16: Error: The argument type 'B' can't be assigned to the parameter type 'C<dynamic>'.
 - 'B' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
 - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
  c_dynamic == b; // error
               ^" in b as{TypeError} self::C<dynamic>*);
  c_dynamic.{self::C::==}(c_dynamic);
  c_dynamic.{self::C::==}(c_int);
  c_dynamic.{self::C::==}(c_string);
  c_dynamic.{self::C::==}(d);
  c_int.{self::C::==}(let final<BottomType> #t11 = invalid-expression "pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:45:12: Error: The argument type 'A' can't be assigned to the parameter type 'C<int>'.
 - 'A' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
 - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
  c_int == a; // error
           ^" in a as{TypeError} self::C<core::int*>*);
  c_int.{self::C::==}(let final<BottomType> #t12 = invalid-expression "pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:46:12: Error: The argument type 'B' can't be assigned to the parameter type 'C<int>'.
 - 'B' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
 - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
  c_int == b; // error
           ^" in b as{TypeError} self::C<core::int*>*);
  c_int.{self::C::==}(c_dynamic as{TypeError} self::C<core::int*>*);
  c_int.{self::C::==}(c_int);
  c_int.{self::C::==}(let final<BottomType> #t13 = invalid-expression "pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:49:12: Error: The argument type 'C<String>' can't be assigned to the parameter type 'C<int>'.
 - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
  c_int == c_string; // error
           ^" in c_string as{TypeError} self::C<core::int*>*);
  c_int.{self::C::==}(d);
  c_string.{self::C::==}(let final<BottomType> #t14 = invalid-expression "pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:52:15: Error: The argument type 'A' can't be assigned to the parameter type 'C<String>'.
 - 'A' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
 - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
  c_string == a; // error
              ^" in a as{TypeError} self::C<core::String*>*);
  c_string.{self::C::==}(let final<BottomType> #t15 = invalid-expression "pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:53:15: Error: The argument type 'B' can't be assigned to the parameter type 'C<String>'.
 - 'B' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
 - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
  c_string == b; // error
              ^" in b as{TypeError} self::C<core::String*>*);
  c_string.{self::C::==}(c_dynamic as{TypeError} self::C<core::String*>*);
  c_string.{self::C::==}(let final<BottomType> #t16 = invalid-expression "pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:55:15: Error: The argument type 'C<int>' can't be assigned to the parameter type 'C<String>'.
 - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
  c_string == c_int; // error
              ^" in c_int as{TypeError} self::C<core::String*>*);
  c_string.{self::C::==}(c_string);
  c_string.{self::C::==}(let final<BottomType> #t17 = invalid-expression "pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:57:15: Error: The argument type 'D' can't be assigned to the parameter type 'C<String>'.
 - 'D' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
 - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
  c_string == d; // error
              ^" in d as{TypeError} self::C<core::String*>*);
  d.{self::C::==}(let final<BottomType> #t18 = invalid-expression "pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:59:8: Error: The argument type 'A' can't be assigned to the parameter type 'C<int>'.
 - 'A' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
 - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
  d == a; // error
       ^" in a as{TypeError} self::C<core::int*>*);
  d.{self::C::==}(let final<BottomType> #t19 = invalid-expression "pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:60:8: Error: The argument type 'B' can't be assigned to the parameter type 'C<int>'.
 - 'B' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
 - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
  d == b; // error
       ^" in b as{TypeError} self::C<core::int*>*);
  d.{self::C::==}(c_dynamic as{TypeError} self::C<core::int*>*);
  d.{self::C::==}(c_int);
  d.{self::C::==}(let final<BottomType> #t20 = invalid-expression "pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart:63:8: Error: The argument type 'C<String>' can't be assigned to the parameter type 'C<int>'.
 - 'C' is from 'pkg/front_end/testcases/general_nnbd_opt_out/covariant_equals.dart'.
  d == c_string; // error
       ^" in c_string as{TypeError} self::C<core::int*>*);
  d.{self::C::==}(d);
}