| // 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 deoptimziation caused by lazy finalization. |
| // VMOptions=--optimization-counter-threshold=10 --no-use-osr |
| |
| import "package:expect/expect.dart"; |
| |
| main() { |
| Expect.equals(20000, part1()); |
| // Trigger lazy finalization of class B, which should invalidate |
| // optimized code for A.loop. |
| Expect.equals(-20000, part2()); |
| } |
| |
| part1() { |
| var a = new A(); |
| a.loop(); |
| // Second invocation calls optimized code. |
| return a.loop(); |
| } |
| |
| part2() { |
| var b = new B(); |
| b.loop(); |
| // Second invocation calls optimized code. |
| return b.loop(); |
| } |
| |
| class A { |
| int foo() => 2; |
| |
| loop() { |
| var sum = 0; |
| for (int i = 0; i < 10000; i++) { |
| sum += foo(); |
| } |
| return sum; |
| } |
| } |
| |
| class Aa extends A {} |
| |
| class B extends Aa { |
| foo() => -2; |
| } |