diff --git a/tests/ui/mir/auxiliary/static_fnptr.rs b/tests/ui/mir/auxiliary/static_fnptr.rs
index a48ee6c0121..8c7347175f4 100644
--- a/tests/ui/mir/auxiliary/static_fnptr.rs
+++ b/tests/ui/mir/auxiliary/static_fnptr.rs
@@ -1,5 +1,6 @@
 //@ compile-flags:-O
 
+#[inline]
 fn foo() {}
 
 pub static ADDR: fn() = foo;