library test /*isNonNullableByDefault*/;
//
// Problems in library:
//
// pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:46:50: Error: A value of type 'A<int, dynamic>' can't be assigned to a variable of type 'A<int, String>'.
//  - 'A' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
//         a4 = /*error:INVALID_CAST_NEW_EXPR*/ new A<int, dynamic>(3, "hello");
//                                                  ^
//
// pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:48:50: Error: A value of type 'A<dynamic, dynamic>' can't be assigned to a variable of type 'A<int, String>'.
//  - 'A' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
//         a5 = /*error:INVALID_CAST_NEW_EXPR*/ new A<dynamic, dynamic>.named(
//                                                  ^
//
// pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:53:48: Error: The argument type 'String' can't be assigned to the parameter type 'int'.
//         /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ "hello",
//                                                ^
//
// pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:54:48: Error: The argument type 'int' can't be assigned to the parameter type 'String'.
//         /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ 3);
//                                                ^
//
// pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:56:48: Error: The argument type 'String' can't be assigned to the parameter type 'int'.
//         /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ "hello",
//                                                ^
//
// pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:57:48: Error: The argument type 'int' can't be assigned to the parameter type 'String'.
//         /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ 3);
//                                                ^
//
// pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:65:47: Error: A value of type 'B<String, dynamic>' can't be assigned to a variable of type 'A<int, String>'.
//  - 'B' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
//  - 'A' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
//         a4 = /*error:INVALID_ASSIGNMENT*/ new B<String, dynamic>("hello", 3);
//                                               ^
//
// pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:67:47: Error: A value of type 'B<dynamic, dynamic>' can't be assigned to a variable of type 'A<int, String>'.
//  - 'B' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
//  - 'A' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
//         a5 = /*error:INVALID_ASSIGNMENT*/ new B<dynamic, dynamic>.named(
//                                               ^
//
// pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:72:48: Error: The argument type 'int' can't be assigned to the parameter type 'String'.
//         /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ 3,
//                                                ^
//
// pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:73:48: Error: The argument type 'String' can't be assigned to the parameter type 'int'.
//         /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ "hello");
//                                                ^
//
// pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:75:48: Error: The argument type 'int' can't be assigned to the parameter type 'String'.
//         /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ 3,
//                                                ^
//
// pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:76:48: Error: The argument type 'String' can't be assigned to the parameter type 'int'.
//         /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ "hello");
//                                                ^
//
// pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:83:55: Error: A value of type 'C<dynamic>' can't be assigned to a variable of type 'A<int, int>'.
//  - 'C' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
//  - 'A' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
//     A<int, int> a4 = /*error:INVALID_ASSIGNMENT*/ new C<dynamic>(3);
//                                                       ^
//
// pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:84:55: Error: A value of type 'C<dynamic>' can't be assigned to a variable of type 'A<int, int>'.
//  - 'C' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
//  - 'A' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
//     A<int, int> a5 = /*error:INVALID_ASSIGNMENT*/ new C<dynamic>.named(3);
//                                                       ^
//
// pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:88:72: Error: The argument type 'String' can't be assigned to the parameter type 'int'.
//         new /*@typeArgs=int*/ C(/*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ "hello");
//                                                                        ^
//
// pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:90:48: Error: The argument type 'String' can't be assigned to the parameter type 'int'.
//         /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ "hello");
//                                                ^
//
// pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:98:47: Error: A value of type 'D<num, dynamic>' can't be assigned to a variable of type 'A<int, String>'.
//  - 'D' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
//  - 'A' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
//         a4 = /*error:INVALID_ASSIGNMENT*/ new D<num, dynamic>("hello");
//                                               ^
//
// pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:100:47: Error: A value of type 'D<dynamic, dynamic>' can't be assigned to a variable of type 'A<int, String>'.
//  - 'D' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
//  - 'A' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
//         a5 = /*error:INVALID_ASSIGNMENT*/ new D<dynamic, dynamic>.named(
//                                               ^
//
// pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:105:48: Error: The argument type 'int' can't be assigned to the parameter type 'String'.
//         /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ 3);
//                                                ^
//
// pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:107:48: Error: The argument type 'int' can't be assigned to the parameter type 'String'.
//         /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ 3);
//                                                ^
//
// pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:118:54: Error: A value of type 'String' can't be assigned to a variable of type 'int'.
//           /*error:LIST_ELEMENT_TYPE_NOT_ASSIGNABLE*/ "hello"
//                                                      ^
//
// pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:121:54: Error: A value of type 'int' can't be assigned to a variable of type 'String'.
//           /*error:LIST_ELEMENT_TYPE_NOT_ASSIGNABLE*/ 3
//                                                      ^
//
// pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:129:48: Error: The argument type 'String' can't be assigned to the parameter type 'int?'.
//         /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ "hello",
//                                                ^
//
// pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:130:48: Error: The argument type 'int' can't be assigned to the parameter type 'String?'.
//         /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ 3);
//                                                ^
//
// pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:132:60: Error: The argument type 'String' can't be assigned to the parameter type 'int?'.
//         3, "hello", /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ "hello");
//                                                            ^
//
import self as self;
import "dart:core" as core;

class A<S extends core::Object? = dynamic, T extends core::Object? = dynamic> extends core::Object {
  covariant-by-class field self::A::S% x;
  covariant-by-class field self::A::T% y;
  constructor •(self::A::S% x, self::A::T% y) → self::A<self::A::S%, self::A::T%>
    : self::A::x = x, self::A::y = y, super core::Object::•()
    ;
  constructor named(self::A::S% x, self::A::T% y) → self::A<self::A::S%, self::A::T%>
    : self::A::x = x, self::A::y = y, super core::Object::•()
    ;
}
class B<S extends core::Object? = dynamic, T extends core::Object? = dynamic> extends self::A<self::B::T%, self::B::S%> {
  constructor •(self::B::S% y, self::B::T% x) → self::B<self::B::S%, self::B::T%>
    : super self::A::•(x, y)
    ;
  constructor named(self::B::S% y, self::B::T% x) → self::B<self::B::S%, self::B::T%>
    : super self::A::named(x, y)
    ;
}
class C<S extends core::Object? = dynamic> extends self::B<self::C::S%, self::C::S%> {
  constructor •(self::C::S% a) → self::C<self::C::S%>
    : super self::B::•(a, a)
    ;
  constructor named(self::C::S% a) → self::C<self::C::S%>
    : super self::B::named(a, a)
    ;
}
class D<S extends core::Object? = dynamic, T extends core::Object? = dynamic> extends self::B<self::D::T%, core::int> {
  constructor •(self::D::T% a) → self::D<self::D::S%, self::D::T%>
    : super self::B::•(a, 3)
    ;
  constructor named(self::D::T% a) → self::D<self::D::S%, self::D::T%>
    : super self::B::named(a, 3)
    ;
}
class E<S extends core::Object? = dynamic, T extends core::Object? = dynamic> extends self::A<self::C<self::E::S%>, self::E::T%> {
  constructor •(self::E::T% a) → self::E<self::E::S%, self::E::T%>
    : super self::A::•(throw "", a)
    ;
}
class F<S extends core::Object? = dynamic, T extends core::Object? = dynamic> extends self::A<self::F::S%, self::F::T%> {
  constructor •(self::F::S% x, self::F::T% y, {required core::List<self::F::S%> a = #C1, required core::List<self::F::T%> b = #C1}) → self::F<self::F::S%, self::F::T%>
    : super self::A::•(x, y)
    ;
  constructor named(self::F::S% x, self::F::T% y, [self::F::S? a = #C1, self::F::T? b = #C1]) → self::F<self::F::S%, self::F::T%>
    : super self::A::•(x, y)
    ;
}
static method test() → void {
  {
    self::A<core::int, core::String> a0 = new self::A::•<core::int, core::String>(3, "hello");
    self::A<core::int, core::String> a1 = new self::A::named<core::int, core::String>(3, "hello");
    self::A<core::int, core::String> a2 = new self::A::•<core::int, core::String>(3, "hello");
    self::A<core::int, core::String> a3 = new self::A::named<core::int, core::String>(3, "hello");
    self::A<core::int, core::String> a4 = invalid-expression "pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:46:50: Error: A value of type 'A<int, dynamic>' can't be assigned to a variable of type 'A<int, String>'.
 - 'A' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
        a4 = /*error:INVALID_CAST_NEW_EXPR*/ new A<int, dynamic>(3, \"hello\");
                                                 ^" in new self::A::•<core::int, dynamic>(3, "hello") as{TypeError,ForNonNullableByDefault} self::A<core::int, core::String>;
    self::A<core::int, core::String> a5 = invalid-expression "pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:48:50: Error: A value of type 'A<dynamic, dynamic>' can't be assigned to a variable of type 'A<int, String>'.
 - 'A' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
        a5 = /*error:INVALID_CAST_NEW_EXPR*/ new A<dynamic, dynamic>.named(
                                                 ^" in new self::A::named<dynamic, dynamic>(3, "hello") as{TypeError,ForNonNullableByDefault} self::A<core::int, core::String>;
  }
  {
    self::A<core::int, core::String> a0 = new self::A::•<core::int, core::String>(invalid-expression "pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:53:48: Error: The argument type 'String' can't be assigned to the parameter type 'int'.
        /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ \"hello\",
                                               ^" in "hello" as{TypeError,ForNonNullableByDefault} core::int, invalid-expression "pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:54:48: Error: The argument type 'int' can't be assigned to the parameter type 'String'.
        /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ 3);
                                               ^" in 3 as{TypeError,ForNonNullableByDefault} core::String);
    self::A<core::int, core::String> a1 = new self::A::named<core::int, core::String>(invalid-expression "pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:56:48: Error: The argument type 'String' can't be assigned to the parameter type 'int'.
        /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ \"hello\",
                                               ^" in "hello" as{TypeError,ForNonNullableByDefault} core::int, invalid-expression "pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:57:48: Error: The argument type 'int' can't be assigned to the parameter type 'String'.
        /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ 3);
                                               ^" in 3 as{TypeError,ForNonNullableByDefault} core::String);
  }
  {
    self::A<core::int, core::String> a0 = new self::B::•<core::String, core::int>("hello", 3);
    self::A<core::int, core::String> a1 = new self::B::named<core::String, core::int>("hello", 3);
    self::A<core::int, core::String> a2 = new self::B::•<core::String, core::int>("hello", 3);
    self::A<core::int, core::String> a3 = new self::B::named<core::String, core::int>("hello", 3);
    self::A<core::int, core::String> a4 = invalid-expression "pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:65:47: Error: A value of type 'B<String, dynamic>' can't be assigned to a variable of type 'A<int, String>'.
 - 'B' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
 - 'A' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
        a4 = /*error:INVALID_ASSIGNMENT*/ new B<String, dynamic>(\"hello\", 3);
                                              ^" in new self::B::•<core::String, dynamic>("hello", 3) as{TypeError,ForNonNullableByDefault} self::A<core::int, core::String>;
    self::A<core::int, core::String> a5 = invalid-expression "pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:67:47: Error: A value of type 'B<dynamic, dynamic>' can't be assigned to a variable of type 'A<int, String>'.
 - 'B' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
 - 'A' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
        a5 = /*error:INVALID_ASSIGNMENT*/ new B<dynamic, dynamic>.named(
                                              ^" in new self::B::named<dynamic, dynamic>("hello", 3) as{TypeError,ForNonNullableByDefault} self::A<core::int, core::String>;
  }
  {
    self::A<core::int, core::String> a0 = new self::B::•<core::String, core::int>(invalid-expression "pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:72:48: Error: The argument type 'int' can't be assigned to the parameter type 'String'.
        /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ 3,
                                               ^" in 3 as{TypeError,ForNonNullableByDefault} core::String, invalid-expression "pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:73:48: Error: The argument type 'String' can't be assigned to the parameter type 'int'.
        /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ \"hello\");
                                               ^" in "hello" as{TypeError,ForNonNullableByDefault} core::int);
    self::A<core::int, core::String> a1 = new self::B::named<core::String, core::int>(invalid-expression "pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:75:48: Error: The argument type 'int' can't be assigned to the parameter type 'String'.
        /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ 3,
                                               ^" in 3 as{TypeError,ForNonNullableByDefault} core::String, invalid-expression "pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:76:48: Error: The argument type 'String' can't be assigned to the parameter type 'int'.
        /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ \"hello\");
                                               ^" in "hello" as{TypeError,ForNonNullableByDefault} core::int);
  }
  {
    self::A<core::int, core::int> a0 = new self::C::•<core::int>(3);
    self::A<core::int, core::int> a1 = new self::C::named<core::int>(3);
    self::A<core::int, core::int> a2 = new self::C::•<core::int>(3);
    self::A<core::int, core::int> a3 = new self::C::named<core::int>(3);
    self::A<core::int, core::int> a4 = invalid-expression "pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:83:55: Error: A value of type 'C<dynamic>' can't be assigned to a variable of type 'A<int, int>'.
 - 'C' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
 - 'A' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
    A<int, int> a4 = /*error:INVALID_ASSIGNMENT*/ new C<dynamic>(3);
                                                      ^" in new self::C::•<dynamic>(3) as{TypeError,ForNonNullableByDefault} self::A<core::int, core::int>;
    self::A<core::int, core::int> a5 = invalid-expression "pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:84:55: Error: A value of type 'C<dynamic>' can't be assigned to a variable of type 'A<int, int>'.
 - 'C' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
 - 'A' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
    A<int, int> a5 = /*error:INVALID_ASSIGNMENT*/ new C<dynamic>.named(3);
                                                      ^" in new self::C::named<dynamic>(3) as{TypeError,ForNonNullableByDefault} self::A<core::int, core::int>;
  }
  {
    self::A<core::int, core::int> a0 = new self::C::•<core::int>(invalid-expression "pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:88:72: Error: The argument type 'String' can't be assigned to the parameter type 'int'.
        new /*@typeArgs=int*/ C(/*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ \"hello\");
                                                                       ^" in "hello" as{TypeError,ForNonNullableByDefault} core::int);
    self::A<core::int, core::int> a1 = new self::C::named<core::int>(invalid-expression "pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:90:48: Error: The argument type 'String' can't be assigned to the parameter type 'int'.
        /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ \"hello\");
                                               ^" in "hello" as{TypeError,ForNonNullableByDefault} core::int);
  }
  {
    self::A<core::int, core::String> a0 = new self::D::•<dynamic, core::String>("hello");
    self::A<core::int, core::String> a1 = new self::D::named<dynamic, core::String>("hello");
    self::A<core::int, core::String> a2 = new self::D::•<core::int, core::String>("hello");
    self::A<core::int, core::String> a3 = new self::D::named<core::String, core::String>("hello");
    self::A<core::int, core::String> a4 = invalid-expression "pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:98:47: Error: A value of type 'D<num, dynamic>' can't be assigned to a variable of type 'A<int, String>'.
 - 'D' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
 - 'A' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
        a4 = /*error:INVALID_ASSIGNMENT*/ new D<num, dynamic>(\"hello\");
                                              ^" in new self::D::•<core::num, dynamic>("hello") as{TypeError,ForNonNullableByDefault} self::A<core::int, core::String>;
    self::A<core::int, core::String> a5 = invalid-expression "pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:100:47: Error: A value of type 'D<dynamic, dynamic>' can't be assigned to a variable of type 'A<int, String>'.
 - 'D' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
 - 'A' is from 'pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart'.
        a5 = /*error:INVALID_ASSIGNMENT*/ new D<dynamic, dynamic>.named(
                                              ^" in new self::D::named<dynamic, dynamic>("hello") as{TypeError,ForNonNullableByDefault} self::A<core::int, core::String>;
  }
  {
    self::A<core::int, core::String> a0 = new self::D::•<dynamic, core::String>(invalid-expression "pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:105:48: Error: The argument type 'int' can't be assigned to the parameter type 'String'.
        /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ 3);
                                               ^" in 3 as{TypeError,ForNonNullableByDefault} core::String);
    self::A<core::int, core::String> a1 = new self::D::named<dynamic, core::String>(invalid-expression "pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:107:48: Error: The argument type 'int' can't be assigned to the parameter type 'String'.
        /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ 3);
                                               ^" in 3 as{TypeError,ForNonNullableByDefault} core::String);
  }
  {
    self::A<self::C<core::int>, core::String> a0 = new self::E::•<core::int, core::String>("hello");
  }
  {
    self::A<core::int, core::String> a0 = new self::F::•<core::int, core::String>(3, "hello", a: <core::int>[3], b: <core::String>["hello"]);
    self::A<core::int, core::String> a1 = new self::F::•<core::int, core::String>(3, "hello", a: <core::int>[invalid-expression "pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:118:54: Error: A value of type 'String' can't be assigned to a variable of type 'int'.
          /*error:LIST_ELEMENT_TYPE_NOT_ASSIGNABLE*/ \"hello\"
                                                     ^" in "hello" as{TypeError,ForNonNullableByDefault} core::int], b: <core::String>[invalid-expression "pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:121:54: Error: A value of type 'int' can't be assigned to a variable of type 'String'.
          /*error:LIST_ELEMENT_TYPE_NOT_ASSIGNABLE*/ 3
                                                     ^" in 3 as{TypeError,ForNonNullableByDefault} core::String]);
    self::A<core::int, core::String> a2 = new self::F::named<core::int, core::String>(3, "hello", 3, "hello");
    self::A<core::int, core::String> a3 = new self::F::named<core::int, core::String>(3, "hello");
    self::A<core::int, core::String> a4 = new self::F::named<core::int, core::String>(3, "hello", invalid-expression "pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:129:48: Error: The argument type 'String' can't be assigned to the parameter type 'int?'.
        /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ \"hello\",
                                               ^" in "hello" as{TypeError,ForNonNullableByDefault} core::int?, invalid-expression "pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:130:48: Error: The argument type 'int' can't be assigned to the parameter type 'String?'.
        /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ 3);
                                               ^" in 3 as{TypeError,ForNonNullableByDefault} core::String?);
    self::A<core::int, core::String> a5 = new self::F::named<core::int, core::String>(3, "hello", invalid-expression "pkg/front_end/testcases/inference/downwards_inference_on_instance_creations_infer_downwards.dart:132:60: Error: The argument type 'String' can't be assigned to the parameter type 'int?'.
        3, \"hello\", /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/ \"hello\");
                                                           ^" in "hello" as{TypeError,ForNonNullableByDefault} core::int?);
  }
}
static method main() → dynamic {}

constants  {
  #C1 = null
}