[builtins] implement JSBuiltinReducer for ArrayIteratorNext()

src/compiler/js-generic-lowering.cc

Index: src/compiler/js-generic-lowering.cc
diff --git a/src/compiler/js-generic-lowering.cc b/src/compiler/js-generic-lowering.cc
index 84638147ea0a0c96783f248e3563af8c54e5e756..e22d5de608a4a830bac9bac8f282ac6d720f405d 100644
--- a/src/compiler/js-generic-lowering.cc
+++ b/src/compiler/js-generic-lowering.cc
@@ -463,6 +463,9 @@ void JSGenericLowering::LowerJSCreateIterResultObject(Node* node) {
   ReplaceWithRuntimeCall(node, Runtime::kCreateIterResultObject);
 }
 
+void JSGenericLowering::LowerJSCreateKeyValueArray(Node* node) {
+  ReplaceWithRuntimeCall(node, Runtime::kCreateKeyValueArray);
+}
 
 void JSGenericLowering::LowerJSCreateLiteralArray(Node* node) {
   CreateLiteralParameters const& p = CreateLiteralParametersOf(node->op());