Fix a bug where we would emit a noSuchMethod handler in the Object class for Object methods because…

sdk/lib/_internal/compiler/implementation/universe/function_set.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 universe;
 
 // TODO(kasperl): This actually holds getters and setters just fine
 // too and stricly they aren't functions. Maybe this needs a better
 // name -- something like ElementSet seems a bit too generic.
 class FunctionSet {
@@ skipping 146 matching lines @@
           functions = new Set<Element>();
         }
         functions.add(element);
       }
     }
 
     TypeMask mask = getNonNullTypeMaskOfSelector(selector, compiler);
     // If we cannot ensure a method will be found at runtime, we also
     // add [noSuchMethod] implementations that apply to [mask] as
     // potential targets.
-    if (noSuchMethods != null && !mask.willHit(selector, compiler)) {
+    if (noSuchMethods != null
+        && mask.needsNoSuchMethodHandling(selector, compiler)) {
       FunctionSetQuery noSuchMethodQuery = noSuchMethods.query(
           new TypedSelector(mask, compiler.noSuchMethodSelector),
           compiler,
           null);
       if (!noSuchMethodQuery.functions.isEmpty) {
         if (functions == null) {
           functions = new Set<Element>.from(noSuchMethodQuery.functions);
         } else {
           functions.addAll(noSuchMethodQuery.functions);
         }
       }
     }
     cache[selector] = result = (functions != null)
         ? newQuery(functions, selector, compiler)
         : const FunctionSetQuery(const <Element>[]);
     return result;
   }
 
   FunctionSetQuery newQuery(Iterable<Element> functions,
                             Selector selector,
                             Compiler compiler) {
     return new FunctionSetQuery(functions);
   }
 }
 
 class FunctionSetQuery {
   final Iterable<Element> functions;
   const FunctionSetQuery(this.functions);
 }