error[E0491]: in type `&'static &'a ()`, reference has a longer lifetime than the data it references --> $DIR/issue-86053-2.rs:8:39 | LL | unsafe extern "C" fn ordering4<'a, F: H<&'static &'a ()>>(_: (), ...) {} | ^^^^^^^^^^^^^^^^^^ | = note: the pointer is valid for the static lifetime note: but the referenced data is only valid for the lifetime `'a` as defined here --> $DIR/issue-86053-2.rs:8:32 | LL | unsafe extern "C" fn ordering4<'a, F: H<&'static &'a ()>>(_: (), ...) {} | ^^ error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0491`.