diff --git a/src/15694.rs b/src/15694.rs
new file mode 100644
index 00000000..c60ca49b
--- /dev/null
+++ b/src/15694.rs
@@ -0,0 +1,4 @@
+use std::mem;
+fn main() {
+    let _: unsafe extern "rust-intrinsic" fn(isize) -> usize = mem::transmute;
+}