1 files changed, 6 insertions, 0 deletions
diff --git a/tests/ui/liveness/liveness-unused.rs b/tests/ui/liveness/liveness-unused.rs
index ba635e6638c..49e7044aeda 100644
--- a/tests/ui/liveness/liveness-unused.rs
+++ b/tests/ui/liveness/liveness-unused.rs
@@ -2,6 +2,7 @@
 #![deny(unused_variables)]
 #![deny(unused_assignments)]
 #![allow(dead_code, non_camel_case_types, trivial_numeric_casts, dropping_copy_types)]
+#![feature(intrinsics)]
 
 use std::ops::AddAssign;
 
@@ -137,5 +138,10 @@ fn f7() {
     drop(a);
 }
 
+// unused params warnings are not needed for intrinsic functions without bodies
+#[rustc_intrinsic]
+unsafe fn simd_shuffle<T, I, U>(a: T, b: T, i: I) -> U;
+
+
 fn main() {
 }