//@ dont-require-annotations: NOTE #![allow(incomplete_features)] #![feature(adt_const_params, unsized_const_params)] struct T; impl T { const fn set_false(&self) { unsafe { *(B as *const bool as *mut bool) = false; //~ NOTE inside `T } } } const _: () = { let x = T::<{ &true }>; x.set_false(); //~ ERROR writing to ALLOC0 which is read-only }; fn main() {}