Dart2dart rename unresolved getters & Make IsCheck not be a primitive

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 147 matching lines @@
     String dummy = names.name(node);
     List<String> entries = new List<String>();
     for (int i = 0; i < node.values.length; ++i) {
       String key = formatReference(node.keys[i]);
       String value = formatReference(node.values[i]);
       entries.add("$key: $value");
     }
     printStmt(dummy, "LiteralMap (${entries.join(', ')})");
   }
 
-  visitIsCheck(ir.IsCheck node) {
+  visitTypeOperator(ir.TypeOperator node) {
     String dummy = names.name(node);
+    String operator = node.operator;
     List<String> entries = new List<String>();
     String receiver = formatReference(node.receiver);
-    printStmt(dummy, "IsCheck ($receiver ${node.type})");
-  }
-
-  visitAsCast(ir.AsCast node) {
-    String dummy = names.name(node);
-    List<String> entries = new List<String>();
-    String receiver = formatReference(node.receiver);
-    printStmt(dummy, "AsCast ($receiver ${node.type})");
+    printStmt(dummy, "TypeOperator ($operator $receiver ${node.type})");
   }
 
   visitInvokeContinuation(ir.InvokeContinuation node) {
     String dummy = names.name(node);
     String kont = formatReference(node.continuation);
     String args = node.arguments.map(formatReference).join(', ');
     printStmt(dummy, "InvokeContinuation $kont ($args)");
   }
 
   visitBranch(ir.Branch node) {
@@ skipping 199 matching lines @@
     }
   }
 
   visitContinuation(ir.Continuation c) {
     var old_node = current_block;
     current_block = getBlock(c);
     visit(c.body);
     current_block = old_node;
   }
 }