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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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37 function side_effect(x) { a = x; } | 37 function side_effect(x) { a = x; } |
38 | 38 |
39 function test() { | 39 function test() { |
40 // We will trigger deoptimization of 'a + 0' which should bail out to | 40 // We will trigger deoptimization of 'a + 0' which should bail out to |
41 // immediately after the call to 'side_effect' (i.e., still in the key | 41 // immediately after the call to 'side_effect' (i.e., still in the key |
42 // subexpression of the arguments access). | 42 // subexpression of the arguments access). |
43 return observe(a, arguments[side_effect(a), a + 0]); | 43 return observe(a, arguments[side_effect(a), a + 0]); |
44 } | 44 } |
45 | 45 |
46 // Run enough to optimize assuming global 'a' is a smi. | 46 // Run enough to optimize assuming global 'a' is a smi. |
47 for (var i = 0; i < 1000000; ++i) test(0); | 47 for (var i = 0; i < 10; ++i) test(0); |
48 %OptimizeFunctionOnNextCall(test); | 48 %OptimizeFunctionOnNextCall(test); |
49 test(0); | 49 test(0); |
50 | 50 |
51 a = "hello"; | 51 a = "hello"; |
52 test(0); | 52 test(0); |
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