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

tests/compiler/dart2js/js_backend_cps_ir_runtime_types_test.dart

Index: tests/compiler/dart2js/js_backend_cps_ir_runtime_types_test.dart
diff --git a/tests/compiler/dart2js/js_backend_cps_ir_runtime_types_test.dart b/tests/compiler/dart2js/js_backend_cps_ir_runtime_types_test.dart
index 86f8260867b999bb00e7cb50fcdcf5102d4424ec..996579c2edcc38f3472a50dc35a17e913815689e 100644
--- a/tests/compiler/dart2js/js_backend_cps_ir_runtime_types_test.dart
+++ b/tests/compiler/dart2js/js_backend_cps_ir_runtime_types_test.dart
@@ -43,6 +43,19 @@ main() {
 function() {
   return P.print($createType($typeToString($getSubstitutedTypeArgument(this, "\$asC", 1))));
 }"""),
+  const TestEntry.forMethod('function(C#foo)', r"""
+class C<T> {
+  foo() => new D<C<T>>();
+}
+class D<T> {
+  bar() => T;
+}
+main() {
+  print(new C<int>().foo().bar());
+}""", r"""
+function() {
+  return V.D$([[V.C, H.getTypeArgumentByIndex(this, 0)]]);
+}"""),
 ];
 
 void main() {