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-rw-r--r--compiler/rustc_errors/src/snippet.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_errors/src/snippet.rs b/compiler/rustc_errors/src/snippet.rs
index 98eb70b5fce..b55f7853885 100644
--- a/compiler/rustc_errors/src/snippet.rs
+++ b/compiler/rustc_errors/src/snippet.rs
@@ -197,7 +197,7 @@ pub struct StyledString {
     pub style: Style,
 }
 
-#[derive(Copy, Clone, Debug, PartialEq, Hash, Encodable, Decodable)]
+#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, Encodable, Decodable)]
 pub enum Style {
     MainHeaderMsg,
     HeaderMsg,