//@ revisions: NORMAL OPT //@ [NORMAL] compile-flags: -C opt-level=0 -C debuginfo=2 //@ [OPT] compile-flags: -C opt-level=s -C debuginfo=0 #![crate_type = "lib"] #![feature(array_from_fn)] #[no_mangle] pub fn iota() -> [u8; 16] { // OPT-NOT: core..array..Guard // NORMAL: core..array..Guard std::array::from_fn(|i| i as _) }