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-rw-r--r--compiler/rustc_middle/src/middle/mod.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_middle/src/middle/mod.rs b/compiler/rustc_middle/src/middle/mod.rs
index bdb2270611a..5c395afadd7 100644
--- a/compiler/rustc_middle/src/middle/mod.rs
+++ b/compiler/rustc_middle/src/middle/mod.rs
@@ -5,6 +5,7 @@ pub mod exported_symbols;
 pub mod lang_items;
 pub mod lib_features {
     use rustc_data_structures::unord::UnordMap;
+    use rustc_macros::{HashStable, TyDecodable, TyEncodable};
     use rustc_span::{symbol::Symbol, Span};
 
     #[derive(Copy, Clone, Debug, PartialEq, Eq)]