Don't bailout of type inference for simple NSM implementations

pkg/compiler/lib/src/js_backend/backend.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 js_backend;
 
 const VERBOSE_OPTIMIZER_HINTS = false;
 
 const bool USE_CPS_IR = const bool.fromEnvironment("USE_CPS_IR");
 
@@ skipping 1257 matching lines @@
 
   void registerClassUsingVariableExpression(ClassElement cls) {
     rti.classesUsingTypeVariableExpression.add(cls);
   }
 
   bool classNeedsRti(ClassElement cls) {
     return rti.classesNeedingRti.contains(cls.declaration) ||
         compiler.enabledRuntimeType;
   }
 
-  bool isDefaultNoSuchMethodImplementation(Element element) {
-    assert(element.name == Compiler.NO_SUCH_METHOD);
-    ClassElement classElement = element.enclosingClass;
-    return classElement == compiler.objectClass
-        || classElement == jsInterceptorClass
-        || classElement == jsNullClass;
-  }
+  bool isComplexNoSuchMethod(Element element) =>
+    noSuchMethodRegistry.isComplex(element);
 
   bool isDefaultEqualityImplementation(Element element) {
     assert(element.name == '==');
     ClassElement classElement = element.enclosingClass;
     return classElement == compiler.objectClass
         || classElement == jsInterceptorClass
         || classElement == jsNullClass;
   }
 
   bool methodNeedsRti(FunctionElement function) {
@@ skipping 1568 matching lines @@
   }
 }
 
 /// Records that [constant] is used by the element behind [registry].
 class Dependency {
   final ConstantValue constant;
   final Element annotatedElement;
 
   const Dependency(this.constant, this.annotatedElement);
 }