Add type info to JSArray.

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

Index: pkg/compiler/lib/src/cps_ir/cps_ir_builder.dart
diff --git a/pkg/compiler/lib/src/cps_ir/cps_ir_builder.dart b/pkg/compiler/lib/src/cps_ir/cps_ir_builder.dart
index 9fa4144d97de32d5bcde8ffad1ccf2f8efdaca6a..8db31e48a0c17000fefda775a853a81acac33223 100644
--- a/pkg/compiler/lib/src/cps_ir/cps_ir_builder.dart
+++ b/pkg/compiler/lib/src/cps_ir/cps_ir_builder.dart
@@ -2411,7 +2411,7 @@ class IrBuilder {
       arguments.add(value);
     }
     return addPrimitive(new ir.CreateInstance(
-        classElement, arguments, const <ir.Primitive>[], sourceInformation));
+        classElement, arguments, null, sourceInformation));
   }
 
   /// Create a read access of [local] function, variable, or parameter.
@@ -2555,9 +2555,9 @@ class IrBuilder {
       InterfaceType interface = type;
       Iterable<ir.Primitive> typeArguments =
           interface.typeArguments.map((DartType argument) {
-        return type.treatAsRaw
-            ? buildNullConstant()
-            : buildTypeExpression(argument);
+              return type.treatAsRaw
+                  ? buildNullConstant()
+                  : buildTypeExpression(argument);
       });
       arguments = new List<ir.Primitive>.from(arguments)
           ..addAll(typeArguments);
@@ -2577,7 +2577,8 @@ class IrBuilder {
         ir.Primitive value = buildTypeVariableAccess(variable);
         arguments.add(value);
       });
-      return addPrimitive(new ir.TypeExpression(type, arguments));
+      return addPrimitive(new ir.TypeExpression(ir.TypeExpressionKind.COMPLETE,
+                                                type, arguments));
     } else if (type.treatAsDynamic) {
       return buildNullConstant();
     } else {