| Index: sdk/lib/_internal/compiler/implementation/mirrors/dart2js_mirror.dart
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| diff --git a/sdk/lib/_internal/compiler/implementation/mirrors/dart2js_mirror.dart b/sdk/lib/_internal/compiler/implementation/mirrors/dart2js_mirror.dart
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| index d7b26d6d569bee7f6a067aee82837eb7393cf779..94ace7373f8f34a1dbf2792785c8155ce69dfa16 100644
 | 
| --- a/sdk/lib/_internal/compiler/implementation/mirrors/dart2js_mirror.dart
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| +++ b/sdk/lib/_internal/compiler/implementation/mirrors/dart2js_mirror.dart
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| @@ -492,8 +492,7 @@ abstract class Dart2JsContainerMirror extends Dart2JsElementMirror
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|      return new AsFilteredImmutableMap<String, MemberMirror, MethodMirror>(
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|          _members,
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|          (MemberMirror member) =>
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| -            member is MethodMirror && (member as MethodMirror).isGetter ?
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| -                member : null);
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| +            member is MethodMirror && member.isGetter ? member : null);
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|    }
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|  
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|    Map<String, MethodMirror> get setters {
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| @@ -501,8 +500,7 @@ abstract class Dart2JsContainerMirror extends Dart2JsElementMirror
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|      return new AsFilteredImmutableMap<String, MemberMirror, MethodMirror>(
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|          _members,
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|          (MemberMirror member) =>
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| -            member is MethodMirror && (member as MethodMirror).isSetter ?
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| -                member : null);
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| +            member is MethodMirror && member.isSetter ? member : null);
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|    }
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|  
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|    Map<String, VariableMirror> get variables {
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| 
 |