1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/ui/dropck/dropck_fn_type.rs b/src/test/ui/dropck/dropck_fn_type.rs
new file mode 100644
index 000000000..2934217df
--- /dev/null
+++ b/src/test/ui/dropck/dropck_fn_type.rs
@@ -0,0 +1,20 @@
+// run-pass
+//! Regression test for #58311, regarding the usage of Fn types in drop impls
+
+// All of this Drop impls should compile.
+
+#[allow(dead_code)]
+struct S<F: Fn() -> [u8; 1]>(F);
+
+impl<F: Fn() -> [u8; 1]> Drop for S<F> {
+    fn drop(&mut self) {}
+}
+
+#[allow(dead_code)]
+struct P<A, F: FnOnce() -> [A; 10]>(F);
+
+impl<A, F: FnOnce() -> [A; 10]> Drop for P<A, F> {
+    fn drop(&mut self) {}
+}
+
+fn main() {}