| Index: pkg/compiler/lib/src/js_backend/patch_resolver.dart
 | 
| diff --git a/pkg/compiler/lib/src/js_backend/patch_resolver.dart b/pkg/compiler/lib/src/js_backend/patch_resolver.dart
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| index 49da46613f15824641b88f28f5577044ca1c04ce..6c55ad373cf27e16c0c7dce0498bd65e0e4dbd5f 100644
 | 
| --- a/pkg/compiler/lib/src/js_backend/patch_resolver.dart
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| +++ b/pkg/compiler/lib/src/js_backend/patch_resolver.dart
 | 
| @@ -51,7 +51,7 @@ class PatchResolverTask extends CompilerTask {
 | 
|    void checkMatchingPatchParameters(FunctionElement origin,
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|        List<Element> originParameters, List<Element> patchParameters) {
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|      bool isUnnamedListConstructor = origin is ConstructorElement &&
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| -        compiler.commonElements.isUnnamedListConstructor(origin);
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| +        resolution.commonElements.isUnnamedListConstructor(origin);
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|  
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|      assert(originParameters.length == patchParameters.length);
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|      for (int index = 0; index < originParameters.length; index++) {
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| 
 |