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sdk/lib/_internal/compiler/implementation/js_backend/type_variable_handler.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of js_backend;
 
 /**
  * Handles construction of TypeVariable constants needed at runtime.
  */
 class TypeVariableHandler {
@@ skipping 69 matching lines @@
       InterfaceType typeVariableType = typeVariableClass.computeType(compiler);
       List<int> constants = <int>[];
       for (TypeVariableType currentTypeVariable in cls.typeVariables) {
         List<Constant> createArguments(FunctionElement constructor) {
         if (constructor != typeVariableConstructor) {
             compiler.internalErrorOnElement(
                 currentTypeVariable.element,
                 'Unexpected constructor $constructor');
           }
           Constant name = backend.constantSystem.createString(
-              new DartString.literal(currentTypeVariable.name.slowToString()),
+              new DartString.literal(currentTypeVariable.name),
               null);
           Constant bound = backend.constantSystem.createInt(
               emitter.reifyType(currentTypeVariable.element.bound));
           Constant type = evaluator.makeTypeConstant(cls);
           return [type, name, bound];
         }
 
         Constant c = evaluator.makeConstructedConstant(
             currentTypeVariable.element, typeVariableType,
             typeVariableConstructor, createArguments);
@@ skipping 46 matching lines @@
     }
 
     emitter.globalMetadata.add('Placeholder for ${variable}');
     return typeVariableConstants[variable] = emitter.globalMetadata.length - 1;
   }
 
   List<int> typeVariablesOf(ClassElement classElement) {
     return typeVariables[classElement];
   }
 }