| // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| // VMOptions=--optimization-counter-threshold=10 --no-use-osr --no-background-compilation |
| |
| // Test allocation sinking with polymorphic inlining. |
| |
| import "package:expect/expect.dart"; |
| |
| class A { |
| foo(x) => ++x.f; |
| } |
| |
| class B { |
| foo(x) => --x.f; |
| } |
| |
| class C { |
| int f = 0; |
| } |
| |
| test(obj) { |
| var c = new C(); |
| return obj.foo(c); |
| } |
| |
| main() { |
| var a = new A(); |
| var b = new B(); |
| Expect.equals(1, test(a)); |
| Expect.equals(-1, test(b)); |
| for (var i = 0; i < 20; i++) test(a); |
| Expect.equals(1, test(a)); |
| Expect.equals(-1, test(b)); |
| } |