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

pkg/compiler/lib/src/cps_ir/cps_ir_tracer.dart

Index: pkg/compiler/lib/src/cps_ir/cps_ir_tracer.dart
diff --git a/pkg/compiler/lib/src/cps_ir/cps_ir_tracer.dart b/pkg/compiler/lib/src/cps_ir/cps_ir_tracer.dart
index 97314262323c6e1d92b1a87c2d2bd6c63280cae9..aa5b1b04f11fe53c179010f037401887cd082a86 100644
--- a/pkg/compiler/lib/src/cps_ir/cps_ir_tracer.dart
+++ b/pkg/compiler/lib/src/cps_ir/cps_ir_tracer.dart
@@ -182,15 +182,18 @@ class IRTracer extends TracerUtil implements cps_ir.Visitor {
 
   visitInvokeConstructor(cps_ir.InvokeConstructor node) {
     String dummy = names.name(node);
+    String className = node.target.enclosingClass.name;
     String callName;
     if (node.target.name.isEmpty) {
-      callName = '${node.type}';
+      callName = '${className}';
     } else {
-      callName = '${node.type}.${node.target.name}';
+      callName = '${className}.${node.target.name}';
     }
     String args = node.arguments.map(formatReference).join(', ');
+    String typeArguments = node.typeArguments.map(formatReference).join(', ');
     String kont = formatReference(node.continuation);
-    printStmt(dummy, "InvokeConstructor $callName ($args) $kont");
+    printStmt(dummy, "InvokeConstructor $callName ($args) "
+        "<$typeArguments> $kont");
   }
 
   visitConcatenateStrings(cps_ir.ConcatenateStrings node) {
@@ -348,6 +351,12 @@ class IRTracer extends TracerUtil implements cps_ir.Visitor {
   visitReifyRuntimeType(cps_ir.ReifyRuntimeType node) {
     return "ReifyRuntimeType ${formatReference(node.value)}";
   }
+
+  @override
+  visitTypeExpression(cps_ir.TypeExpression node) {
+    return "TypeExpression ${node.dartType} "
+        "${node.arguments.map(formatReference).join(', ')}";
+  }
 }
 
 /**
@@ -595,4 +604,9 @@ class BlockCollector implements cps_ir.Visitor {
   visitReifyRuntimeType(cps_ir.ReifyRuntimeType node) {
     unexpectedNode(node);
   }
+
+  @override
+  visitTypeExpression(cps_ir.TypeExpression node) {
+    unexpectedNode(node);
+  }
 }