Add 86201

Issue: rust-lang/rust#86201

Author: fanninpm

ices/86201.rs

@@ -0,0 +1,12 @@
+#![feature(unboxed_closures)]
+#![feature(min_type_alias_impl_trait)]
+#![feature(impl_trait_in_bindings)]
+
+type FunType = impl Fn<()>;
+static STATIC_FN: FunType = some_fn;
+
+fn some_fn() {}
+
+fn main() {
+    let _: <FunType as FnOnce<()>>::Output = STATIC_FN();
+}