typeInformation in CreateInstance is a kind of TypeExpression

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 d7ff3cc1c90749f3af74274e6959da36d6a8506f..027ae80d86f944c7dde88dd745f729f968eb9990 100644
--- a/pkg/compiler/lib/src/cps_ir/cps_ir_tracer.dart
+++ b/pkg/compiler/lib/src/cps_ir/cps_ir_tracer.dart
@@ -293,8 +293,7 @@ class IRTracer extends TracerUtil implements cps_ir.Visitor {
   visitCreateInstance(cps_ir.CreateInstance node) {
     String className = node.classElement.name;
     String arguments = node.arguments.map(formatReference).join(', ');
-    String typeInformation =
-        node.typeInformation.map(formatReference).join(', ');
+    String typeInformation = formatReference(node.typeInformation);
     return 'CreateInstance $className ($arguments) <$typeInformation>';
   }
 
@@ -318,7 +317,7 @@ class IRTracer extends TracerUtil implements cps_ir.Visitor {
   }
 
   visitTypeExpression(cps_ir.TypeExpression node) {
-    return "TypeExpression ${node.dartType} "
+    return "TypeExpression ${node.kindAsString} ${node.dartType}"
         "${node.arguments.map(formatReference).join(', ')}";
   }