//@ run-fail //@ compile-flags: -Copt-level=3 -Cdebug-assertions=no -Zub-checks=yes //@ error-pattern: unsafe precondition(s) violated: slice::from_raw_parts //@ ignore-debug fn main() { unsafe { let _s: &[u8] = std::slice::from_raw_parts(std::ptr::null(), 0); } }