more negative test fixes

frog/gen.dart

 // Copyright (c) 2011, 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.
 
 /**
  * Top level generator object for writing code and keeping track of
  * dependencies.
  *
  * Should have two compilation models, but only one implemented so far.
  *
@@ skipping 97 matching lines @@
         }
       }
       // Type check functions for builtin JS types
       if (type.typeCheckCode != null) {
         writer.writeln(type.typeCheckCode);
       }
     }
   }
 
   genMethod(Member meth, [MethodGenerator enclosingMethod=null]) {
-    if (!meth.isGenerated && meth.declaringType.isClass
-        && meth.definition != null && !meth.isAbstract) {
+    if (!meth.isGenerated && !meth.isAbstract && meth.definition != null) {
       new MethodGenerator(meth, enclosingMethod).run();
     }
   }
 
   _maybeIsTest(Type onType, Type checkType) {
     if (!checkType.isTested) return;
 
     var value = 'false';
     if (onType.isSubtypeOf(checkType)) {
       value = 'function(){return this;}';
@@ skipping 2041 matching lines @@
       result.add(new Value(world.varType, '\$$i', false, /*needsTemp:*/false));
     }
     for (int i = bareCount; i < length; i++) {
       var name = getName(i);
       if (name == null) name = '\$$i';
       result.add(new Value(world.varType, name, false, /*needsTemp:*/false));
     }
     return new Arguments(nodes, result);
   }
 }