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-rw-r--r--compiler/rustc_session/src/version.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_session/src/version.rs b/compiler/rustc_session/src/version.rs
index c0c088bcef7..39e4541349e 100644
--- a/compiler/rustc_session/src/version.rs
+++ b/compiler/rustc_session/src/version.rs
@@ -1,3 +1,4 @@
+use rustc_macros::{current_rustc_version, Decodable, Encodable, HashStable_Generic};
 use std::fmt::{self, Display};
 
 #[derive(Encodable, Decodable, Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]