| Index: sdk/lib/_internal/libraries.dart
 | 
| diff --git a/sdk/lib/_internal/libraries.dart b/sdk/lib/_internal/libraries.dart
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| index b8146bbfdd0c3b8cf7cb9360f7dabf2d184c6911..8ab2e7f5a776c268f3cc9b506bfa51a11d9562d2 100644
 | 
| --- a/sdk/lib/_internal/libraries.dart
 | 
| +++ b/sdk/lib/_internal/libraries.dart
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| @@ -66,8 +66,7 @@ const Map<String, LibraryInfo> LIBRARIES = const {
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|        dart2jsPatchPath: "_internal/compiler/implementation/lib/isolate_patch.dart"),
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|  
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|    "json": const LibraryInfo(
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| -      "json/json.dart",
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| -      dart2jsPatchPath: "_internal/compiler/implementation/lib/json_patch.dart"),
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| +      "json/json.dart"),
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|  
 | 
|    "math": const LibraryInfo(
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|        "math/math.dart",
 | 
| 
 |