[turbofan] Properly specialize JSCreateIterResultObject map.

src/compiler/js-create-lowering.h

Index: src/compiler/js-create-lowering.h
diff --git a/src/compiler/js-create-lowering.h b/src/compiler/js-create-lowering.h
index 2262e66ef27e397b9f164d8cec8c6f1a321ce37f..6248ca29822085c0133900c8f460cb74803d5ac0 100644
--- a/src/compiler/js-create-lowering.h
+++ b/src/compiler/js-create-lowering.h
@@ -31,11 +31,12 @@ class JSCreateLowering final : public AdvancedReducer {
  public:
   JSCreateLowering(Editor* editor, CompilationDependencies* dependencies,
                    JSGraph* jsgraph, MaybeHandle<LiteralsArray> literals_array,
-                   Zone* zone)
+                   MaybeHandle<Context> native_context, Zone* zone)
       : AdvancedReducer(editor),
         dependencies_(dependencies),
         jsgraph_(jsgraph),
         literals_array_(literals_array),
+        native_context_(native_context),
         zone_(zone) {}
   ~JSCreateLowering() final {}
 
@@ -76,6 +77,8 @@ class JSCreateLowering final : public AdvancedReducer {
 
   // Infers the LiteralsArray to use for a given {node}.
   MaybeHandle<LiteralsArray> GetSpecializationLiterals(Node* node);
+  // Infers the native context to use for a given {node}.
+  MaybeHandle<Context> GetSpecializationNativeContext(Node* node);
 
   Factory* factory() const;
   Graph* graph() const;
@@ -91,6 +94,7 @@ class JSCreateLowering final : public AdvancedReducer {
   CompilationDependencies* const dependencies_;
   JSGraph* const jsgraph_;
   MaybeHandle<LiteralsArray> const literals_array_;
+  MaybeHandle<Context> const native_context_;
   Zone* const zone_;
 };