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| 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2014, 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 part of dart2js.helpers; | 5 part of dart2js.helpers; |
| 6 | 6 |
| 7 /** | 7 /** |
| 8 * The track map is a simple wrapper around a map that keeps track | 8 * The track map is a simple wrapper around a map that keeps track |
| 9 * of the 'final' size of maps grouped by description. It allows | 9 * of the 'final' size of maps grouped by description. It allows |
| 10 * determining the distribution of sizes for a specific allocation | 10 * determining the distribution of sizes for a specific allocation |
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| 104 int newLength = oldLength + delta; | 104 int newLength = oldLength + delta; |
| 105 _counts[oldLength]--; | 105 _counts[oldLength]--; |
| 106 if (newLength < _counts.length) { | 106 if (newLength < _counts.length) { |
| 107 _counts[newLength]++; | 107 _counts[newLength]++; |
| 108 } else { | 108 } else { |
| 109 _counts.add(1); | 109 _counts.add(1); |
| 110 assert(newLength == _counts.length - 1); | 110 assert(newLength == _counts.length - 1); |
| 111 } | 111 } |
| 112 } | 112 } |
| 113 } | 113 } |
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