[modules] Support parsing anonymous default exports

src/parsing/parser.h

Index: src/parsing/parser.h
diff --git a/src/parsing/parser.h b/src/parsing/parser.h
index eebbb65593096128b7cefd9d17d9166ad71d2ae9..2de53ac0ec890695eeb2c951099d7c112f146f50 100644
--- a/src/parsing/parser.h
+++ b/src/parsing/parser.h
@@ -744,6 +744,9 @@ class Parser : public ParserBase<ParserTraits> {
                                    bool* ok);
   Statement* ParseFunctionDeclaration(ZoneList<const AstRawString*>* names,
                                       bool* ok);
+  Statement* ParseFunctionDeclaration(int pos, bool is_generator,
+                                      ZoneList<const AstRawString*>* names,
+                                      bool* ok);
   Statement* ParseClassDeclaration(ZoneList<const AstRawString*>* names,
                                    bool* ok);
   Statement* ParseNativeDeclaration(bool* ok);