Late creation of CodegenEnqueuer

pkg/compiler/lib/src/ssa/interceptor_simplifier.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.
 
 import '../common/backend_api.dart' show BackendClasses;
 import '../compiler.dart' show Compiler;
 import '../constants/constant_system.dart';
 import '../constants/values.dart';
 import '../elements/entities.dart';
 import '../js_backend/backend.dart';
@@ skipping 334 matching lines @@
       block.addAfter(user, replacement);
       block.rewrite(user, replacement);
       block.remove(user);
       return false;
     }
 
     if (user is HIs) {
       // See if we can rewrite the is-check to use 'instanceof', i.e. rewrite
       // "getInterceptor(x).$isT" to "x instanceof T".
       if (node == user.interceptor) {
-        if (backend.mayGenerateInstanceofCheck(user.typeExpression)) {
+        if (backend.interceptorData
+            .mayGenerateInstanceofCheck(user.typeExpression)) {
           HInstruction instanceofCheck = new HIs.instanceOf(
               user.typeExpression, user.expression, user.instructionType);
           instanceofCheck.sourceInformation = user.sourceInformation;
           instanceofCheck.sourceElement = user.sourceElement;
           return replaceUserWith(instanceofCheck);
         }
       }
     } else if (user is HInvokeDynamic) {
       if (node == user.inputs[0]) {
         // Replace the user with a [HOneShotInterceptor].
@@ skipping 56 matching lines @@
       instruction = new HInvokeDynamicMethod(
           selector, mask, inputs, node.instructionType, true);
     }
 
     HBasicBlock block = node.block;
     block.addAfter(node, instruction);
     block.rewrite(node, instruction);
     return true;
   }
 }