library;
import self as self;
import "dart:core" as core;

class _Y<T extends core::Object* = dynamic> extends core::Object /*hasConstConstructor*/  {
  const constructor •() → self::_Y<self::_Y::T*>*
    : super core::Object::•()
    ;
  abstract member-signature get _identityHashCode() → core::int*; -> core::Object::_identityHashCode
  abstract member-signature method _instanceOf(dynamic instantiatorTypeArguments, dynamic functionTypeArguments, dynamic type) → core::bool*; -> core::Object::_instanceOf
  abstract member-signature method _simpleInstanceOf(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOf
  abstract member-signature method _simpleInstanceOfTrue(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfTrue
  abstract member-signature method _simpleInstanceOfFalse(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfFalse
  abstract member-signature operator ==(dynamic other) → core::bool*; -> core::Object::==
  abstract member-signature get hashCode() → core::int*; -> core::Object::hashCode
  abstract member-signature method toString() → core::String*; -> core::Object::toString
  abstract member-signature method noSuchMethod(core::Invocation* invocation) → dynamic; -> core::Object::noSuchMethod
  abstract member-signature get runtimeType() → core::Type*; -> core::Object::runtimeType
}
class A<T extends core::Object* = dynamic> extends core::Object {
  generic-covariant-impl field self::_Y<self::A::T*>* x;
  constructor •(self::_Y<self::A::T*>* x) → self::A<self::A::T*>*
    : self::A::x = x, super core::Object::•()
    ;
  abstract member-signature get _identityHashCode() → core::int*; -> core::Object::_identityHashCode
  abstract member-signature method _instanceOf(dynamic instantiatorTypeArguments, dynamic functionTypeArguments, dynamic type) → core::bool*; -> core::Object::_instanceOf
  abstract member-signature method _simpleInstanceOf(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOf
  abstract member-signature method _simpleInstanceOfTrue(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfTrue
  abstract member-signature method _simpleInstanceOfFalse(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfFalse
  abstract member-signature operator ==(dynamic other) → core::bool*; -> core::Object::==
  abstract member-signature get hashCode() → core::int*; -> core::Object::hashCode
  abstract member-signature method toString() → core::String*; -> core::Object::toString
  abstract member-signature method noSuchMethod(core::Invocation* invocation) → dynamic; -> core::Object::noSuchMethod
  abstract member-signature get runtimeType() → core::Type*; -> core::Object::runtimeType
}
class B<T extends core::Object* = dynamic> extends self::A<self::B::T*> {
  constructor •() → self::B<self::B::T*>*
    : super self::A::•(#C1)
    ;
}
static method main() → dynamic {
  dynamic x = new self::B::•<dynamic>().{self::A::x};
  if(!(x is self::_Y<Null>*)) {
    throw "Unexpected run-time type: `new B().x` is ${x.{core::Object::runtimeType}}, but `_Y<Null>` expected";
  }
}

constants  {
  #C1 = self::_Y<Null> {}
}


Constructor coverage from constants:
org-dartlang-testcase:///constructor_const_inference.dart:
- _Y. (from org-dartlang-testcase:///constructor_const_inference.dart:10:9)
- Object. (from org-dartlang-sdk:///sdk/lib/core/object.dart:25:9)