'for of' expression cannot start with 'async'

1 files changed, 3 insertions, 0 deletions

diff --git a/quickjs.c b/quickjs.c
index a01b5cc..c80a300 100644
--- a/quickjs.c
+++ b/quickjs.c
@@ -25787,6 +25787,9 @@ static __exception int js_parse_for_in_of(JSParseState *s, int label_name,
             emit_atom(s, var_name);
             emit_u16(s, fd->scope_level);
         }
+    } else if (!is_async && token_is_pseudo_keyword(s, JS_ATOM_async) &&
+               peek_token(s, FALSE) == TOK_OF) {
+        return js_parse_error(s, "'for of' expression cannot start with 'async'");
     } else {
         int skip_bits;
         if ((s->token.val == '[' || s->token.val == '{')