Function custom_black_box

zeroize/src/barrier.rs:93–95

(p: *const u8)

        /// `#[inline(never)]` and `read_volatile`.
        #[inline(never)]
        fn custom_black_box(p: *const u8) {
            let _ = unsafe { core::ptr::read_volatile(p) };
        }

        core::hint::black_box(val);
        if size_of_val(val) > 0 {