diff --git a/src/tools/clippy/tests/ui/uninit_vec_ice.rs b/src/tools/clippy/tests/ui/uninit_vec_ice.rs
new file mode 100644
index 00000000000..e9a38884cf6
--- /dev/null
+++ b/src/tools/clippy/tests/ui/uninit_vec_ice.rs
@@ -0,0 +1,8 @@
+use std::cell::UnsafeCell;
+
+unsafe fn _check<S>() {
+    let mut vec = Vec::<UnsafeCell<*mut S>>::with_capacity(1);
+    vec.set_len(1);
+}
+
+fn main() {}