Improve rendering of callsite with non-function target.

src/parsing/parser.h

Index: src/parsing/parser.h
diff --git a/src/parsing/parser.h b/src/parsing/parser.h
index 73b1277260b40d89b5abcd9412b159211b226a87..73e9efbc7d609c3117d47dda47e2c9a8bb84ea16 100644
--- a/src/parsing/parser.h
+++ b/src/parsing/parser.h
@@ -784,7 +784,8 @@ class ParserTraits {
                                        Scope* scope, AstNodeFactory* factory);
   Expression* ExpressionFromString(int pos, Scanner* scanner,
                                    AstNodeFactory* factory);
-  Expression* GetIterator(Expression* iterable, AstNodeFactory* factory);
+  Expression* GetIterator(Expression* iterable, AstNodeFactory* factory,
+                          int pos);
   ZoneList<v8::internal::Expression*>* NewExpressionList(int size, Zone* zone) {
     return new(zone) ZoneList<v8::internal::Expression*>(size, zone);
   }