Avoid unnecessary internings.

Most involving `Symbol::intern` on string literals.
2019-05-22 12:42:23 +10:00
parent 6c0ff3dd97
commit 26451ef7b5
31 changed files with 84 additions and 106 deletions
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -5787,7 +5787,7 @@ impl<'a> Parser<'a> {
            VisibilityKind::Inherited => {}
            _ => {
                let is_macro_rules: bool = match self.token {
-                    token::Ident(sid, _) => sid.name == Symbol::intern("macro_rules"),
+                    token::Ident(sid, _) => sid.name == sym::macro_rules,
                    _ => false,
                };
                let mut err = if is_macro_rules {