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-rw-r--r--compiler/rustc_middle/src/ty/util.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_middle/src/ty/util.rs b/compiler/rustc_middle/src/ty/util.rs
index 42e0565db83..ae0de08f02f 100644
--- a/compiler/rustc_middle/src/ty/util.rs
+++ b/compiler/rustc_middle/src/ty/util.rs
@@ -17,7 +17,7 @@ use rustc_hir as hir;
 use rustc_hir::def::{CtorOf, DefKind, Res};
 use rustc_hir::def_id::{CrateNum, DefId, LocalDefId};
 use rustc_index::bit_set::GrowableBitSet;
-use rustc_macros::HashStable;
+use rustc_macros::{extension, HashStable, TyDecodable, TyEncodable};
 use rustc_session::Limit;
 use rustc_span::sym;
 use rustc_target::abi::{Integer, IntegerType, Primitive, Size};