| Index: runtime/lib/errors_patch.dart
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| diff --git a/runtime/lib/errors_patch.dart b/runtime/lib/errors_patch.dart
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| index bf0405922f5d7bcce314b3ff7c117fcf186fe3e5..654dfa3e902cab73308ac45101c5ab2ae0c2af49 100644
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| --- a/runtime/lib/errors_patch.dart
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| +++ b/runtime/lib/errors_patch.dart
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| @@ -2,6 +2,9 @@
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|  // for details. All rights reserved. Use of this source code is governed by a
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|  // BSD-style license that can be found in the LICENSE file.
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|  
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| +import 'dart:_internal' as internal;
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| +import 'dart:convert' show JSON;
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| +
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|  @patch class Error {
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|    @patch static String _objectToString(Object object) {
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|      return Object._toString(object);
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| @@ -203,7 +206,6 @@ class _InternalError {
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|    // that no information is available.
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|    final int _invocation_type;
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|  
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| -  @patch
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|    NoSuchMethodError(Object this._receiver,
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|                      Symbol this._memberName,
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|                      List this._arguments,
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| 
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