// check-pass // Test for https://github.com/rust-lang/rust-clippy/issues/4968 #![warn(clippy::unsound_collection_transmute)] trait Trait { type Assoc; } use std::mem::{self, ManuallyDrop}; #[allow(unused)] fn func<T: Trait>(slice: Vec<T::Assoc>) { unsafe { let _: Vec<ManuallyDrop<T::Assoc>> = mem::transmute(slice); } } fn main() {}