Preparse functions in the scope that was created when parsing of the function was started

src/parsing/preparser.h

Index: src/parsing/preparser.h
diff --git a/src/parsing/preparser.h b/src/parsing/preparser.h
index e3a4ece78dd9199097876f225e834681d961e0a7..de61c9f1a4e5959b4b34caa20f64fa6d8f427699 100644
--- a/src/parsing/preparser.h
+++ b/src/parsing/preparser.h
@@ -820,9 +820,7 @@ class PreParser : public ParserBase<PreParser> {
   // keyword and parameters, and have consumed the initial '{'.
   // At return, unless an error occurred, the scanner is positioned before the
   // the final '}'.
-  PreParseResult PreParseLazyFunction(LanguageMode language_mode,
-                                      FunctionKind kind,
-                                      bool has_simple_parameters,
+  PreParseResult PreParseLazyFunction(DeclarationScope* function_scope,
                                       bool parsing_module, ParserRecorder* log,
                                       bool may_abort, int* use_counts);