Add (failing) test case for mixin type parameters.

sdk/lib/_internal/compiler/implementation/resolution/members.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 resolution;
 
 abstract class TreeElements {
   Element operator[](Node node);
   Selector getSelector(Send send);
   DartType getType(Node node);
@@ skipping 2855 matching lines @@
       element.defaultClass = visit(node.defaultClause);
     }
     element.addDefaultConstructorIfNeeded(compiler);
     return element.computeType(compiler);
   }
 
   DartType visitMixinApplication(MixinApplication node) {
     compiler.ensure(element != null);
     compiler.ensure(element.resolutionState == STATE_STARTED);
 
+    InterfaceType type = element.computeType(compiler);
+    scope = new TypeDeclarationScope(scope, element);
+    resolveTypeVariableBounds(node.typeParameters);
+
     // Generate anonymous mixin application elements for the
     // intermediate mixin applications (excluding the last).
     DartType supertype = resolveSupertype(element, node.superclass);
     Link<Node> link = node.mixins.nodes;
     while (!link.tail.isEmpty) {
       supertype = applyMixin(supertype, visit(link.head));
       link = link.tail;
     }
     doApplyMixinTo(element, supertype, visit(link.head));
     return element.computeType(compiler);
@@ skipping 713 matching lines @@
     return e;
   }
 
   /// Assumed to be called by [resolveRedirectingFactory].
   Element visitReturn(Return node) {
     Node expression = node.expression;
     return finishConstructorReference(visit(expression),
                                       expression, expression);
   }
 }