1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/rustc_middle/src/thir.rs b/compiler/rustc_middle/src/thir.rs
index d56046136c7..30d2f6a17c2 100644
--- a/compiler/rustc_middle/src/thir.rs
+++ b/compiler/rustc_middle/src/thir.rs
@@ -11,6 +11,7 @@
 use std::cmp::Ordering;
 use std::fmt;
 use std::ops::Index;
+use std::sync::Arc;
 
 use rustc_abi::{FieldIdx, Integer, Size, VariantIdx};
 use rustc_ast::{AsmMacro, InlineAsmOptions, InlineAsmTemplatePiece};
@@ -846,7 +847,7 @@ pub enum PatKind<'tcx> {
         subpattern: Box<Pat<'tcx>>,
     },
 
-    Range(Box<PatRange<'tcx>>),
+    Range(Arc<PatRange<'tcx>>),
 
     /// Matches against a slice, checking the length and extracting elements.
     /// irrefutable when there is a slice pattern and both `prefix` and `suffix` are empty.