cleanup unnecessary else

Author: ExpHP

src/libsyntax/ext/tt/macro_parser.rs

@@ -696,16 +696,14 @@ pub fn parse(
             } else {
                 return Failure(parser.span, token::Eof);
             }
-        } else {
-            // Performance hack: eof_items may share matchers via Rc with other things that we want
-            // to modify. Dropping eof_items now may drop these refcounts to 1, preventing an
-            // unnecessary implicit clone later in Rc::make_mut.
-            drop(eof_items);
         }
+        // Performance hack: eof_items may share matchers via Rc with other things that we want
+        // to modify. Dropping eof_items now may drop these refcounts to 1, preventing an
+        // unnecessary implicit clone later in Rc::make_mut.
+        drop(eof_items);
 
         // Another possibility is that we need to call out to parse some rust nonterminal
         // (black-box) parser. However, if there is not EXACTLY ONE of these, something is wrong.
-        assert!(!token_name_eq(&parser.token, &token::Eof));
         if (!bb_items.is_empty() && !next_items.is_empty()) || bb_items.len() > 1 {
             let nts = bb_items
                 .iter()