Add support for superSend to the new IR and dart backend.

sdk/lib/_internal/compiler/implementation/ir/ir_tracer.dart

 // Copyright (c) 2014, 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.
 
 library dart2js.ir_tracer;
 
 import 'dart:async' show EventSink;
 
 import 'ir_nodes.dart' as ir hide Function;
 import '../tracer.dart';
@@ skipping 101 matching lines @@
   visitInvokeMethod(ir.InvokeMethod node) {
     String dummy = names.name(node);
     String receiver = formatReference(node.receiver);
     String callName = node.selector.name;
     String args = node.arguments.map(formatReference).join(', ');
     String kont = formatReference(node.continuation);
     printStmt(dummy,
         "InvokeMethod $receiver $callName ($args) $kont");
   }
 
+  visitInvokeSuperMethod(ir.InvokeSuperMethod node) {
+    String dummy = names.name(node);
+    String callName = node.selector.name;
+    String args = node.arguments.map(formatReference).join(', ');
+    String kont = formatReference(node.continuation);
+    printStmt(dummy,
+        "InvokeSuperMethod $callName ($args) $kont");
+  }
+
   visitInvokeConstructor(ir.InvokeConstructor node) {
     String dummy = names.name(node);
     String callName;
     if (node.target.name.isEmpty) {
       callName = '${node.type}';
     } else {
       callName = '${node.type}.${node.target.name}';
     }
     String args = node.arguments.map(formatReference).join(', ');
     String kont = formatReference(node.continuation);
@@ skipping 223 matching lines @@
     }
   }
 
   visitContinuation(ir.Continuation c) {
     var old_node = current_block;
     current_block = getBlock(c);
     visit(c.body);
     current_block = old_node;
   }
 }