| Index: pkg/compiler/lib/src/js_backend/constant_emitter.dart
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| diff --git a/pkg/compiler/lib/src/js_backend/constant_emitter.dart b/pkg/compiler/lib/src/js_backend/constant_emitter.dart
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| index e88d927fdb8f4c819941282cc2f2106576f21723..fc53cb4158aece420c3232b6661dbebe9d90fc77 100644
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| --- a/pkg/compiler/lib/src/js_backend/constant_emitter.dart
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| +++ b/pkg/compiler/lib/src/js_backend/constant_emitter.dart
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| @@ -64,11 +64,6 @@ class ConstantEmitter implements ConstantValueVisitor<jsAst.Expression, Null> {
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|      return new jsAst.LiteralNull();
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|    }
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|  
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| -  @override
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| -  jsAst.Expression visitNonConstant(NonConstantValue constant, [_]) {
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| -    return new jsAst.LiteralNull();
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| -  }
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| -
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|    static final _exponentialRE = new RegExp('^'
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|        '\([-+]?\)' // 1: sign
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|        '\([0-9]+\)' // 2: leading digit(s)
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| 
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