//@check-pass //@revisions: old next //@[next] compile-flags: -Znext-solver #![feature(ptr_metadata)] #![feature(dyn_star)] //~^ WARN the feature `dyn_star` is incomplete and may not be safe to use and/or cause compiler crashes use std::fmt::Debug; use std::ptr::Thin; fn check_thin() {} fn main() { check_thin::(); }