Use Token::uninterpolate in couple more places matching on (Nt)Ident

src/librustc_parse/parser/item.rs

@@ -1544,6 +1544,8 @@ impl<'a> Parser<'a> {
 
         let is_name_required = match self.token.kind {
             token::DotDotDot => false,
+            // FIXME: Consider using interpolated token for this edition check,
+            // it should match the intent of edition hygiene better.
             _ => req_name(self.token.uninterpolate().span.edition()),
         };
         let (pat, ty) = if is_name_required || self.is_named_param() {