| // Copyright (c) 2012, 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. |
| // Test deoptimization from within an inlined function. |
| |
| import "package:expect/expect.dart"; |
| |
| class A { |
| deopt_here() => 1; |
| } |
| |
| class B { |
| deopt_here() => 2; |
| } |
| |
| dynamic obj = new A(); |
| |
| bar(x) { |
| x = 42; |
| obj.deopt_here(); |
| return x; |
| } |
| |
| foo(x) { |
| x = bar(x); |
| return x; |
| } |
| |
| main() { |
| Expect.equals(42, foo(1)); |
| for (var i = 0; i < 2000; i++) foo(7); |
| Expect.equals(42, foo(2)); |
| obj = new B(); |
| Expect.equals(42, foo(3)); // <-- deoptimization via foo/bar/obj.deopt_here |
| } |