| Index: pkg/compiler/lib/src/js_backend/backend_helpers.dart
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| diff --git a/pkg/compiler/lib/src/js_backend/backend_helpers.dart b/pkg/compiler/lib/src/js_backend/backend_helpers.dart
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| index f0a92d7581aac099ee5a40faaa7effe1302a0a2e..804594c9f01b55d3a555972860ba0ea258da4f38 100644
 | 
| --- a/pkg/compiler/lib/src/js_backend/backend_helpers.dart
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| +++ b/pkg/compiler/lib/src/js_backend/backend_helpers.dart
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| @@ -433,10 +433,6 @@ class BackendHelpers {
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|      return findHelper('throwConcurrentModificationError');
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|    }
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|  
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| -  Element get throwIndexOutOfBoundsError {
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| -    return findHelper('ioore');
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| -  }
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| -
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|    Element get stringInterpolationHelper {
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|      return findHelper('S');
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|    }
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| 
 |