Sigmund Cherem
4b7d256a06
This reverts commite9ca6a5335andd3e00fd35e. Change-Id: I346d6156be19c4fceffa202a7ce9bfa931c7c14b Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/99560 Reviewed-by: Sigmund Cherem <sigmund@google.com> Reviewed-by: Vijay Menon <vsm@google.com> Reviewed-by: Siva Annamalai <asiva@google.com>
27 lines
889 B
Plaintext
27 lines
889 B
Plaintext
library;
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import self as self;
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import "dart:core" as core;
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class _Y<T extends core::Object = dynamic> extends core::Object {
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const constructor •() → self::_Y<self::_Y::T>
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: super core::Object::•()
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;
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}
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class A<T extends core::Object = dynamic> extends core::Object {
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generic-covariant-impl field self::_Y<self::A::T> x;
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constructor •(self::_Y<self::A::T> x) → self::A<self::A::T>
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: self::A::x = x, super core::Object::•()
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;
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}
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class B<T extends core::Object = dynamic> extends self::A<self::B::T> {
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constructor •() → self::B<self::B::T>
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: super self::A::•(const self::_Y::•<core::Null>())
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;
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}
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static method main() → dynamic {
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dynamic x = new self::B::•<dynamic>().{self::A::x};
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if(!(x is self::_Y<core::Null>)) {
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throw "Unexpected run-time type: `new B().x` is ${x.{core::Object::runtimeType}}, but `_Y<Null>` expected";
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}
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}
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