diff --git a/src/librustc_data_structures/stable_hasher.rs b/src/librustc_data_structures/stable_hasher.rs
index 092208cfe1d..ce62021ac17 100644
--- a/src/librustc_data_structures/stable_hasher.rs
+++ b/src/librustc_data_structures/stable_hasher.rs
@@ -429,6 +429,16 @@ impl<T, CTX> HashStable<CTX> for ::std::mem::Discriminant<T> {
     }
 }
 
+impl<T, CTX> HashStable<CTX> for ::std::ops::RangeInclusive<T>
+    where T: HashStable<CTX>
+{
+    #[inline]
+    fn hash_stable(&self, ctx: &mut CTX, hasher: &mut StableHasher) {
+        self.start().hash_stable(ctx, hasher);
+        self.end().hash_stable(ctx, hasher);
+    }
+}
+
 impl<I: vec::Idx, T, CTX> HashStable<CTX> for vec::IndexVec<I, T>
     where T: HashStable<CTX>,
 {