use signature name for arg

Author: oriongonza

compiler/rustc_parse/src/parser/item.rs

@@ -195,12 +195,12 @@ impl<'a> Parser<'a> {
         fn_parse_mode: FnParseMode,
         case: Case,
     ) -> PResult<'a, Option<ItemInfo>> {
-        let def_final = def == &Defaultness::Final;
+        let check_pub = def == &Defaultness::Final;
         let mut def_ = || mem::replace(def, Defaultness::Final);
 
         let info = if self.eat_keyword_case(kw::Use, case) {
             self.parse_use_item()?
-        } else if self.check_fn_front_matter(def_final, case) {
+        } else if self.check_fn_front_matter(check_pub, case) {
             // FUNCTION ITEM
             let (ident, sig, generics, body) =
                 self.parse_fn(attrs, fn_parse_mode, lo, vis, case)?;