Rewrite rc::Rc using cell::Cell

Since `Arc` has been using `Atomic`, this closes 12625. Closes #12625.
2014-03-21 15:16:07 +08:00
parent caf17fea06
commit db5206c32a
2 changed files with 65 additions and 42 deletions
--- a/src/libsyntax/ast.rs
+++ b/src/libsyntax/ast.rs
@@ -1156,14 +1156,6 @@ mod test {
    use codemap::*;
    use super::*;

-    fn is_freeze<T: Freeze>() {}
-
-    // Assert that the AST remains Freeze (#10693).
-    #[test]
-    fn ast_is_freeze() {
-        is_freeze::<Item>();
-    }
-
    // are ASTs encodable?
    #[test]
    fn check_asts_encodable() {