remove redundant clones

2022-09-03 07:58:41 +02:00
parent b88e510cc8
commit 57198b549f
2 changed files with 2 additions and 2 deletions
--- a/compiler/rustc_parse/src/parser/attr_wrapper.rs
+++ b/compiler/rustc_parse/src/parser/attr_wrapper.rs
@@ -52,7 +52,7 @@ impl AttrWrapper {
    // Prepend `self.attrs` to `attrs`.
    // FIXME: require passing an NT to prevent misuse of this method
    pub(crate) fn prepend_to_nt_inner(self, attrs: &mut AttrVec) {
-        let mut self_attrs = self.attrs.clone();
+        let mut self_attrs = self.attrs;
        std::mem::swap(attrs, &mut self_attrs);
        attrs.extend(self_attrs);
    }