Add compilation error on named parameters with private names

tests/language/named_parameters_with_object_property_names_test.dart

Index: tests/language/named_parameters_with_object_property_names_test.dart
===================================================================
--- tests/language/named_parameters_with_object_property_names_test.dart	(revision 26668)
+++ tests/language/named_parameters_with_object_property_names_test.dart	(working copy)
@@ -12,12 +12,6 @@
 main() {
   // Test properties found on instances of Object in Chrome 15 and Firefox 6.
   test_constructor();
-  test___proto__();
-  test___defineGetter__();
-  test___defineSetter__();
-  test___lookupGetter__();
-  test___lookupSetter__();
-  test___noSuchMethod__();
   test_hasOwnProperty();
   test_isPrototypeOf();
   test_propertyIsEnumerable();
@@ -50,132 +44,6 @@
   Expect.equals(0, globalMethod_constructor(constructor: 0));
 }
 
-// '__proto__' property.
-
-class TestClass___proto__ {
-  method({__proto__}) => __proto__;
-  static staticMethod({__proto__}) => __proto__;
-}
-globalMethod___proto__({__proto__}) => __proto__;
-
-test___proto__() {
-  var obj = new TestClass___proto__();
-
-  Expect.equals(null, obj.method());
-  Expect.equals(0, obj.method(__proto__: 0));
-
-  Expect.equals(null, TestClass___proto__.staticMethod());
-  Expect.equals(0, TestClass___proto__.staticMethod(__proto__: 0));
-
-  Expect.equals(null, globalMethod___proto__());
-  Expect.equals(0, globalMethod___proto__(__proto__: 0));
-}
-
-// '__defineGetter__' property.
-
-class TestClass___defineGetter__ {
-  method({__defineGetter__}) => __defineGetter__;
-  static staticMethod({__defineGetter__}) => __defineGetter__;
-}
-globalMethod___defineGetter__({__defineGetter__}) => __defineGetter__;
-
-test___defineGetter__() {
-  var obj = new TestClass___defineGetter__();
-
-  Expect.equals(null, obj.method());
-  Expect.equals(0, obj.method(__defineGetter__: 0));
-
-  Expect.equals(null, TestClass___defineGetter__.staticMethod());
-  Expect.equals(0, TestClass___defineGetter__.staticMethod(__defineGetter__: 0));
-
-  Expect.equals(null, globalMethod___defineGetter__());
-  Expect.equals(0, globalMethod___defineGetter__(__defineGetter__: 0));
-}
-
-// '__defineSetter__' property.
-
-class TestClass___defineSetter__ {
-  method({__defineSetter__}) => __defineSetter__;
-  static staticMethod({__defineSetter__}) => __defineSetter__;
-}
-globalMethod___defineSetter__({__defineSetter__}) => __defineSetter__;
-
-test___defineSetter__() {
-  var obj = new TestClass___defineSetter__();
-
-  Expect.equals(null, obj.method());
-  Expect.equals(0, obj.method(__defineSetter__: 0));
-
-  Expect.equals(null, TestClass___defineSetter__.staticMethod());
-  Expect.equals(0, TestClass___defineSetter__.staticMethod(__defineSetter__: 0));
-
-  Expect.equals(null, globalMethod___defineSetter__());
-  Expect.equals(0, globalMethod___defineSetter__(__defineSetter__: 0));
-}
-
-// '__lookupGetter__' property.
-
-class TestClass___lookupGetter__ {
-  method({__lookupGetter__}) => __lookupGetter__;
-  static staticMethod({__lookupGetter__}) => __lookupGetter__;
-}
-globalMethod___lookupGetter__({__lookupGetter__}) => __lookupGetter__;
-
-test___lookupGetter__() {
-  var obj = new TestClass___lookupGetter__();
-
-  Expect.equals(null, obj.method());
-  Expect.equals(0, obj.method(__lookupGetter__: 0));
-
-  Expect.equals(null, TestClass___lookupGetter__.staticMethod());
-  Expect.equals(0, TestClass___lookupGetter__.staticMethod(__lookupGetter__: 0));
-
-  Expect.equals(null, globalMethod___lookupGetter__());
-  Expect.equals(0, globalMethod___lookupGetter__(__lookupGetter__: 0));
-}
-
-// '__lookupSetter__' property.
-
-class TestClass___lookupSetter__ {
-  method({__lookupSetter__}) => __lookupSetter__;
-  static staticMethod({__lookupSetter__}) => __lookupSetter__;
-}
-globalMethod___lookupSetter__({__lookupSetter__}) => __lookupSetter__;
-
-test___lookupSetter__() {
-  var obj = new TestClass___lookupSetter__();
-
-  Expect.equals(null, obj.method());
-  Expect.equals(0, obj.method(__lookupSetter__: 0));
-
-  Expect.equals(null, TestClass___lookupSetter__.staticMethod());
-  Expect.equals(0, TestClass___lookupSetter__.staticMethod(__lookupSetter__: 0));
-
-  Expect.equals(null, globalMethod___lookupSetter__());
-  Expect.equals(0, globalMethod___lookupSetter__(__lookupSetter__: 0));
-}
-
-// '__noSuchMethod__' property.
-
-class TestClass___noSuchMethod__ {
-  method({__noSuchMethod__}) => __noSuchMethod__;
-  static staticMethod({__noSuchMethod__}) => __noSuchMethod__;
-}
-globalMethod___noSuchMethod__({__noSuchMethod__}) => __noSuchMethod__;
-
-test___noSuchMethod__() {
-  var obj = new TestClass___noSuchMethod__();
-
-  Expect.equals(null, obj.method());
-  Expect.equals(0, obj.method(__noSuchMethod__: 0));
-
-  Expect.equals(null, TestClass___noSuchMethod__.staticMethod());
-  Expect.equals(0, TestClass___noSuchMethod__.staticMethod(__noSuchMethod__: 0));
-
-  Expect.equals(null, globalMethod___noSuchMethod__());
-  Expect.equals(0, globalMethod___noSuchMethod__(__noSuchMethod__: 0));
-}
-
 // 'hasOwnProperty' property.
 
 class TestClass_hasOwnProperty {