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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, 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 // Check that our SSA graph does have the try body a predecessor of a | 4 // Check that our SSA graph does have the try body a predecessor of a |
5 // try/finally. | 5 // try/finally. |
6 // VMOptions=--optimization-counter-threshold=10 | 6 // VMOptions=--optimization-counter-threshold=10 |
7 | 7 |
8 import "package:expect/expect.dart"; | 8 import "package:expect/expect.dart"; |
9 | 9 |
10 var a; | 10 var a; |
11 | 11 |
12 foo1() { | 12 foo1() { |
13 var b = false; | 13 var b = false; |
14 var entered = false; | 14 var entered = false; |
15 while (true) { | 15 while (true) { |
16 if (entered) return b; /// static warning | 16 if (entered) return b; //# static warning |
17 b = 8 == a; // This expression should not be GVN'ed. | 17 b = 8 == a; // This expression should not be GVN'ed. |
18 try { | 18 try { |
19 try { | 19 try { |
20 a = 8; | 20 a = 8; |
21 return; /// static warning | 21 return; //# static warning |
22 } finally { | 22 } finally { |
23 b = 8 == a; | 23 b = 8 == a; |
24 entered = true; | 24 entered = true; |
25 continue; | 25 continue; |
26 } | 26 } |
27 } finally { | 27 } finally { |
28 continue; | 28 continue; |
29 } | 29 } |
30 } | 30 } |
31 } | 31 } |
32 | 32 |
33 main() { | 33 main() { |
34 for (var i = 0; i < 20; i++) { | 34 for (var i = 0; i < 20; i++) { |
35 a = 0; | 35 a = 0; |
36 Expect.isTrue(foo1()); | 36 Expect.isTrue(foo1()); |
37 } | 37 } |
38 } | 38 } |
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