Change `fold_tt` and `fold_tts` to take token trees by value (instead of by reference)

1 files changed, 8 insertions, 9 deletions

diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
index 0a6b5781887..d958fc09f88 100644
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -2671,13 +2671,12 @@ impl<'a> Parser<'a> {
                     )?;
                     let (sep, repeat) = self.parse_sep_and_kleene_op()?;
                     let name_num = macro_parser::count_names(&seq);
-                    return Ok(TokenTree::Sequence(mk_sp(sp.lo, seq_span.hi),
-                                      Rc::new(SequenceRepetition {
-                                          tts: seq,
-                                          separator: sep,
-                                          op: repeat,
-                                          num_captures: name_num
-                                      })));
+                    return Ok(TokenTree::Sequence(mk_sp(sp.lo, seq_span.hi), SequenceRepetition {
+                        tts: seq,
+                        separator: sep,
+                        op: repeat,
+                        num_captures: name_num
+                    }));
                 } else if self.token.is_keyword(keywords::Crate) {
                     self.bump();
                     return Ok(TokenTree::Token(sp, SpecialVarNt(SpecialMacroVar::CrateMacroVar)));
@@ -2832,12 +2831,12 @@ impl<'a> Parser<'a> {
                     _ => {}
                 }
 
-                Ok(TokenTree::Delimited(span, Rc::new(Delimited {
+                Ok(TokenTree::Delimited(span, Delimited {
                     delim: delim,
                     open_span: open_span,
                     tts: tts,
                     close_span: close_span,
-                })))
+                }))
             },
             _ => {
                 // invariants: the current token is not a left-delimiter,