Compile-time error if mixing class has a factory

tests/language/mixin_illegal_constructor_test.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.
 
 class M0 {
   factory M0(a,b,c) => null;
   factory M0.named() => null;
 }
 
 class M1 {
   M1();
 }
 
 class M2 {
   M2.named();
 }
 
-class C0 = Object with M0;
+class C0 = Object with M0;      /// 20: compile-time error
 class C1 = Object with M1;      /// 01: compile-time error
 class C2 = Object with M2;      /// 02: compile-time error
 class C3 = Object with M0, M1;  /// 03: compile-time error
 class C4 = Object with M1, M0;  /// 04: compile-time error
 class C5 = Object with M0, M2;  /// 05: compile-time error
 class C6 = Object with M2, M0;  /// 06: compile-time error
 
-class D0 extends Object with M0 { }
+class D0 extends Object with M0 { }      /// 21: compile-time error
 class D1 extends Object with M1 { }      /// 07: compile-time error
 class D2 extends Object with M2 { }      /// 08: compile-time error
 class D3 extends Object with M0, M1 { }  /// 09: compile-time error
 class D4 extends Object with M1, M0 { }  /// 10: compile-time error
 class D5 extends Object with M0, M2 { }  /// 11: compile-time error
 class D6 extends Object with M2, M0 { }  /// 12: compile-time error
 
 main() {
-  new C0();
+  new C0();  /// 20: continued
   new C1();  /// 01: continued
   new C2();  /// 02: continued
   new C3();  /// 03: continued
   new C4();  /// 04: continued
   new C5();  /// 05: continued
   new C6();  /// 06: continued
 
-  new D0();
+  new D0();  /// 21: continued
   new D1();  /// 07: continued
   new D2();  /// 08: continued
   new D3();  /// 09: continued
   new D4();  /// 10: continued
   new D5();  /// 11: continued
   new D6();  /// 12: continued
-
-  new C0(1,2,3);   /// 13: static type warning, runtime error
-  new C0.named();  /// 14: static type warning, runtime error
-  new D0(1,2,3);   /// 15: static type warning, runtime error
-  new D0.named();  /// 16: static type warning, runtime error
 }