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-rw-r--r--compiler/rustc_span/src/hygiene.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_span/src/hygiene.rs b/compiler/rustc_span/src/hygiene.rs
index b621920d62b..315dedec107 100644
--- a/compiler/rustc_span/src/hygiene.rs
+++ b/compiler/rustc_span/src/hygiene.rs
@@ -1135,7 +1135,7 @@ impl ExpnKind {
 }
 
 /// The kind of macro invocation or definition.
-#[derive(Clone, Copy, PartialEq, Eq, Encodable, Decodable, Hash, Debug)]
+#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Encodable, Decodable, Hash, Debug)]
 #[derive(HashStable_Generic)]
 pub enum MacroKind {
     /// A bang macro `foo!()`.