diff --git a/compiler/rustc_middle/src/mir/mod.rs b/compiler/rustc_middle/src/mir/mod.rs
index f9d84bb852f..fee24f0bae8 100644
--- a/compiler/rustc_middle/src/mir/mod.rs
+++ b/compiler/rustc_middle/src/mir/mod.rs
@@ -670,7 +670,7 @@ impl Atom for Local {
 }
 
 /// Classifies locals into categories. See `Body::local_kind`.
-#[derive(PartialEq, Eq, Debug, HashStable)]
+#[derive(Clone, Copy, PartialEq, Eq, Debug, HashStable)]
 pub enum LocalKind {
     /// User-declared variable binding.
     Var,