| // 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. |
| // Test various optimizations and deoptimizations of optimizing compiler.. |
| // VMOptions=--optimization-counter-threshold=10 --no-constant-propagation |
| |
| import "package:expect/expect.dart"; |
| |
| // Test canonicalization of identical with double input. |
| // Constant propagation is disabled so that canonicalization is run |
| // one time less than usual. |
| |
| test(a) { |
| var dbl = a + 1.0; |
| if (!identical(dbl, true)) { |
| return "ok"; |
| } |
| throw "fail"; |
| } |
| |
| main() { |
| for (var i = 0; i < 20; i++) test(0); |
| Expect.equals("ok", test(0)); |
| } |
| |
