Implement super read.

dart/lib/compiler/implementation/ssa/builder.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.
 
 class Interceptors {
   Compiler compiler;
   Interceptors(Compiler this.compiler);
 
   SourceString mapOperatorToMethodName(Operator op) {
     String name = op.source.stringValue;
@@ skipping 2272 matching lines @@
           self,
           graph.addConstantString(new DartString.literal(name), node),
           pop()];
       push(new HInvokeSuper(Selector.INVOCATION_2, inputs));
       return;
     }
     HInstruction target = new HStatic(element);
     HInstruction context = localsHandler.readThis();
     add(target);
     var inputs = <HInstruction>[target, context];
-    if (element.kind == ElementKind.FUNCTION ||
-        element.kind == ElementKind.GENERATIVE_CONSTRUCTOR) {
+    if (node.isPropertyAccess) {
+      push(new HInvokeSuper(selector, inputs));
+    } else if (element.kind == ElementKind.FUNCTION ||
+               element.kind == ElementKind.GENERATIVE_CONSTRUCTOR) {
       bool succeeded = addStaticSendArgumentsToList(selector, node.arguments,
                                                     element, inputs);
       if (!succeeded) {
         // TODO(ngeoffray): Match the VM behavior and throw an
         // exception at runtime.
         compiler.cancel('Unimplemented non-matching static call', node);
       }
       push(new HInvokeSuper(selector, inputs));
     } else {
       target = new HInvokeSuper(Selector.GETTER, inputs);
@@ skipping 86 matching lines @@
         add(target);
         inputs = <HInstruction>[target];
       }
       addDynamicSendArgumentsToList(node, inputs);
       push(new HInvokeClosure(selector, inputs));
     }
   }
 
   visitSend(Send node) {
     if (node.isSuperCall) {
-      if (node.isPropertyAccess) {
-        compiler.unimplemented('super property read', node: node);
-      }
       visitSuperSend(node);
     } else if (node.isOperator && methodInterceptionEnabled) {
       visitOperatorSend(node);
     } else if (node.isPropertyAccess) {
       generateGetter(node, elements[node]);
     } else if (Elements.isClosureSend(node, elements)) {
       visitClosureSend(node);
     } else {
       Element element = elements[node];
       if (element === null) {
@@ skipping 989 matching lines @@
                                    <HInstruction>[target, input],
                                    HType.STRING));
     return builder.pop();
   }
 
   HInstruction result(Node node) {
     flushLiterals(node);
     return prefix;
   }
 }