| Index: lib/compiler/implementation/compile_time_constants.dart
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| diff --git a/lib/compiler/implementation/compile_time_constants.dart b/lib/compiler/implementation/compile_time_constants.dart
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| index 0a3eea61b699664af32b3b96c767e1fd55027594..af84f521e447282d8e966da74d75c1e9acfb87ce 100644
 | 
| --- a/lib/compiler/implementation/compile_time_constants.dart
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| +++ b/lib/compiler/implementation/compile_time_constants.dart
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| @@ -187,7 +187,7 @@ class ConstantHandler extends CompilerTask {
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|     * other.
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|     */
 | 
|    List<VariableElement> getStaticNonFinalFieldsForEmission() {
 | 
| -    return initialVariableValues.getKeys().filter((element) {
 | 
| +    return initialVariableValues.keys.filter((element) {
 | 
|        return element.kind == ElementKind.FIELD
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|            && !element.isInstanceMember()
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|            && !element.modifiers.isFinal();
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| @@ -200,7 +200,7 @@ class ConstantHandler extends CompilerTask {
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|     * other.
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|     */
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|    List<VariableElement> getStaticFinalFieldsForEmission() {
 | 
| -    return initialVariableValues.getKeys().filter((element) {
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| +    return initialVariableValues.keys.filter((element) {
 | 
|        return element.kind == ElementKind.FIELD
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|            && !element.isInstanceMember()
 | 
|            && element.modifiers.isFinal();
 | 
| 
 |