[turbofan] Properly specialize JSCreateIterResultObject map.

test/unittests/compiler/js-create-lowering-unittest.cc

Index: test/unittests/compiler/js-create-lowering-unittest.cc
diff --git a/test/unittests/compiler/js-create-lowering-unittest.cc b/test/unittests/compiler/js-create-lowering-unittest.cc
index 6335675352427fd58f309de38cbb8b9a864166da..ebb16334018575d53a3987afc22bdcf681512072 100644
--- a/test/unittests/compiler/js-create-lowering-unittest.cc
+++ b/test/unittests/compiler/js-create-lowering-unittest.cc
@@ -40,7 +40,8 @@ class JSCreateLoweringTest : public TypedGraphTest {
     // TODO(titzer): mock the GraphReducer here for better unit testing.
     GraphReducer graph_reducer(zone(), graph());
     JSCreateLowering reducer(&graph_reducer, &deps_, &jsgraph,
-                             MaybeHandle<LiteralsArray>(), zone());
+                             MaybeHandle<LiteralsArray>(),
+                             MaybeHandle<Context>(), zone());
     return reducer.Reduce(node);
   }