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

pkg/compiler/lib/src/tree_ir/tree_ir_builder.dart

Index: pkg/compiler/lib/src/tree_ir/tree_ir_builder.dart
diff --git a/pkg/compiler/lib/src/tree_ir/tree_ir_builder.dart b/pkg/compiler/lib/src/tree_ir/tree_ir_builder.dart
index 8017ba65f47139a2866f32c6084ffe7b5592055c..be7db0c1687efbdbba56524c27549969fc460504 100644
--- a/pkg/compiler/lib/src/tree_ir/tree_ir_builder.dart
+++ b/pkg/compiler/lib/src/tree_ir/tree_ir_builder.dart
@@ -510,8 +510,13 @@ class Builder implements cps_ir.Visitor<Node> {
 
   Statement visitInvokeConstructor(cps_ir.InvokeConstructor node) {
     List<Expression> arguments = translateArguments(node.arguments);
-    Expression invoke =
-        new InvokeConstructor(node.type, node.target, node.selector, arguments);
+    List<Expression> typeArguments = translateArguments(node.typeArguments);
+    Expression invoke = new InvokeConstructor(
+        node.type,
+        node.target,
+        node.selector,
+        arguments,
+        typeArguments);
     return continueWithExpression(node.continuation, invoke);
   }
 
@@ -646,4 +651,11 @@ class Builder implements cps_ir.Visitor<Node> {
   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());
+  }
 }