mirror of
https://github.com/dart-lang/sdk
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35 lines
863 B
Dart
35 lines
863 B
Dart
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// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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//
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// VMOptions=--optimization-counter-threshold=10 --no-background-compilation
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abstract class A<T extends A<T>> {
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@pragma('vm:prefer-inline')
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f(x) => new R<T>(x);
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}
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class B extends A<B> {}
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class R<T> {
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@pragma('vm:prefer-inline')
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R(T field);
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}
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class C extends B {}
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class D extends C {}
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// f will be inlined and T=B will be forwarded to AssertAssignable in the
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// R. However B will be wrapped in the TypeRef which breaks runtime TypeCheck
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// function (Instance::IsInstanceOf does not work for TypeRefs).
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@pragma('vm:never-inline')
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f(o) => new B().f(o);
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main() {
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final o = new D();
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for (var i = 0; i < 10; i++) {
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f(o);
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}
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}
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