cps-ir: Set runtime type information for new objects that require it.

pkg/compiler/lib/src/tree_ir/tree_ir_builder.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 tree_ir_builder;
 
 import '../dart2jslib.dart' as dart2js;
 import '../dart_types.dart';
 import '../elements/elements.dart';
 import '../cps_ir/cps_ir_nodes.dart' as cps_ir;
@@ skipping 501 matching lines @@
 
   Statement visitTypeOperator(cps_ir.TypeOperator node) {
     Expression receiver = getVariableUse(node.receiver);
     Expression concat =
         new TypeOperator(receiver, node.type, isTypeTest: node.isTypeTest);
     return continueWithExpression(node.continuation, concat);
   }
 
   Statement visitInvokeConstructor(cps_ir.InvokeConstructor node) {
     List<Expression> arguments = translateArguments(node.arguments);
-    Expression invoke =
-        new InvokeConstructor(node.type, node.target, node.selector, arguments);
+    Expression invoke = new InvokeConstructor(
+        node.type,
+        node.target,
+        node.selector,
+        arguments);
     return continueWithExpression(node.continuation, invoke);
   }
 
   Statement visitInvokeContinuation(cps_ir.InvokeContinuation node) {
     // Invocations of the return continuation are translated to returns.
     // Other continuation invocations are replaced with assignments of the
     // arguments to formal parameter variables, followed by the body if
     // the continuation is singly reference or a break if it is multiply
     // referenced.
     cps_ir.Continuation cont = node.continuation.definition;
@@ skipping 110 matching lines @@
     return getVariableUse(node.value);
   }
 
   Expression visitReifyRuntimeType(cps_ir.ReifyRuntimeType node) {
     return new ReifyRuntimeType(getVariableUse(node.value));
   }
 
   Expression visitReadTypeVariable(cps_ir.ReadTypeVariable node) {
     return new ReadTypeVariable(node.variable, getVariableUse(node.target));
   }
+
+  @override
+  Node visitTypeExpression(cps_ir.TypeExpression node) {
+    return new TypeExpression(
+        node.dartType,
+        node.arguments.map(getVariableUse).toList());
+  }
 }