Correctly type check type variable expressions.

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 get currentElement;
   Set<Node> get superUses;
 
@@ skipping 2086 matching lines @@
       if (target == null || target.isInstanceMember()) {
         compiler.backend.registerThrowNoSuchMethod(mapping);
         // TODO(johnniwinther): With the simplified [TreeElements] invariant,
         // try to resolve injected elements if [currentClass] is in the patch
         // library of [receiverClass].
 
         // TODO(karlklose): this should be reported by the caller of
         // [resolveSend] to select better warning messages for getters and
         // setters.
         MessageKind kind = (target == null)
-            ? MessageKind.METHOD_NOT_FOUND
+            ? MessageKind.MEMBER_NOT_FOUND
             : MessageKind.MEMBER_NOT_STATIC;
         return warnAndCreateErroneousElement(node, name, kind,
                                              {'className': receiverClass.name,
                                               'memberName': name});
       }
     } else if (identical(resolvedReceiver.kind, ElementKind.PREFIX)) {
       PrefixElement prefix = resolvedReceiver;
       target = prefix.lookupLocalMember(name);
       if (Elements.isUnresolved(target)) {
         compiler.backend.registerThrowNoSuchMethod(mapping);
@@ skipping 125 matching lines @@
           compiler.backend.registerThrowNoSuchMethod(mapping);
           target =
               warnAndCreateErroneousElement(node.selector, field.name,
                                             MessageKind.CANNOT_RESOLVE_GETTER);
         }
       } else if (target.isTypeVariable()) {
         ClassElement cls = target.getEnclosingClass();
         assert(enclosingElement.getEnclosingClass() == cls);
         compiler.backend.registerClassUsingVariableExpression(cls);
         compiler.backend.registerTypeVariableExpression(mapping);
+        // Set the type of the node to [Type] to mark this send as a
+        // type variable expression.
+        mapping.setType(node, compiler.typeClass.computeType(compiler));
       } else if (target.impliesType() && !sendIsMemberAccess) {
         // Set the type of the node to [Type] to mark this send as a
         // type literal.
         mapping.setType(node, compiler.typeClass.computeType(compiler));
         world.registerTypeLiteral(target, mapping);
       }
     }
 
     bool resolvedArguments = false;
     if (node.isOperator) {
@@ skipping 1767 matching lines @@
     return e;
   }
 
   /// Assumed to be called by [resolveRedirectingFactory].
   Element visitReturn(Return node) {
     Node expression = node.expression;
     return finishConstructorReference(visit(expression),
                                       expression, expression);
   }
 }