interceptedNames should include all interceptor method generated, not just the ones called.

dart/sdk/lib/_internal/compiler/implementation/ssa/codegen.dart

 // Copyright (c) 2012, 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 ssa;
 
 class SsaCodeGeneratorTask extends CompilerTask {
 
   final JavaScriptBackend backend;
 
@@ skipping 1532 matching lines @@
     }
     // If [JSInvocationMirror._invokeOn] has been called, we must not create a
     // typed selector based on the receiver type.
     if (backend.compiler.enabledInvokeOn) {
       return selector.asUntyped;
     }
     HType receiverType = node.getDartReceiver(compiler).instructionType;
     return receiverType.refine(selector, compiler);
   }
 
-  void registerInvoke(HInvokeDynamic node, Selector selector) {
-    if (node.isInterceptedCall) {
-      backend.addInterceptedSelector(selector);
-    }
-  }
-
   void registerMethodInvoke(HInvokeDynamic node) {
     Selector selector = getOptimizedSelectorFor(node, node.selector);
 
     // If we don't know what we're calling or if we are calling a getter,
     // we need to register that fact that we may be calling a closure
     // with the same arguments.
     Element target = node.element;
     if (target == null || target.isGetter()) {
       // TODO(kasperl): If we have a typed selector for the call, we
       // may know something about the types of closures that need
       // the specific closure call method.
       Selector call = new Selector.callClosureFrom(selector);
       world.registerDynamicInvocation(call.name, call);
     }
 
     if (target != null) {
       // If we know we're calling a specific method, register that
       // method only.
       world.registerDynamicInvocationOf(target, selector);
     } else {
       SourceString name = node.selector.name;
       world.registerDynamicInvocation(name, selector);
     }
-    registerInvoke(node, selector);
   }
 
   void registerSetter(HInvokeDynamic node) {
     Selector selector = getOptimizedSelectorFor(node, node.selector);
     world.registerDynamicSetter(selector.name, selector);
     HType valueType = node.isInterceptedCall
         ? node.inputs[2].instructionType
         : node.inputs[1].instructionType;
-    registerInvoke(node, selector);
   }
 
   void registerGetter(HInvokeDynamic node) {
     Selector selector = getOptimizedSelectorFor(node, node.selector);
     world.registerDynamicGetter(selector.name, selector);
     world.registerInstantiatedClass(
         compiler.functionClass, work.resolutionTree);
-    registerInvoke(node, selector);
   }
 
   visitInvokeDynamicSetter(HInvokeDynamicSetter node) {
     use(node.receiver);
     String name = backend.namer.invocationName(node.selector);
     push(jsPropertyCall(pop(), name, visitArguments(node.inputs)), node);
     registerSetter(node);
   }
 
   visitInvokeDynamicGetter(HInvokeDynamicGetter node) {
@@ skipping 1411 matching lines @@
   if (leftType.canBeNull() && rightType.canBeNull()) {
     if (left.isConstantNull() || right.isConstantNull() ||
         (leftType.isPrimitive(compiler) && leftType == rightType)) {
       return '==';
     }
     return null;
   } else {
     return '===';
   }
 }