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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 // Regression test for dart2js. There was a bug in the variable | 5 // Regression test for dart2js. There was a bug in the variable |
6 // allocator when a pure (side-effect free) instruction stand | 6 // allocator when a pure (side-effect free) instruction stand |
7 // in-between an inlined `if` and its inlined expression. | 7 // in-between an inlined `if` and its inlined expression. |
8 | 8 |
9 import "package:expect/expect.dart"; | 9 import "package:expect/expect.dart"; |
10 | 10 |
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30 // optimizers as being also a JavaScript expression, we do not | 30 // optimizers as being also a JavaScript expression, we do not |
31 // allocate a name for it. But some expressions that it uses still | 31 // allocate a name for it. But some expressions that it uses still |
32 // can have a name, and our variable allocator did not handle live | 32 // can have a name, and our variable allocator did not handle live |
33 // variables due to the inlining of the ternary expression in [foo]. | 33 // variables due to the inlining of the ternary expression in [foo]. |
34 if (foo(topLevel) == null) { | 34 if (foo(topLevel) == null) { |
35 return b.toString(); | 35 return b.toString(); |
36 } else { | 36 } else { |
37 return b.hashCode; | 37 return b.hashCode; |
38 } | 38 } |
39 } | 39 } |
| 40 |
40 return f(); | 41 return f(); |
41 } | 42 } |
42 | 43 |
43 main() { | 44 main() { |
44 // Make sure the inferrer does not get an exact type for [topLevel]. | 45 // Make sure the inferrer does not get an exact type for [topLevel]. |
45 topLevel = new Object(); | 46 topLevel = new Object(); |
46 topLevel = main; | 47 topLevel = main; |
47 var res = bar(); | 48 var res = bar(); |
48 Expect.isTrue(res is String); | 49 Expect.isTrue(res is String); |
49 } | 50 } |
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