tests/ui/mir/enum/with_niche_ptr_ok.rs


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//@ run-pass
//@ compile-flags: -C debug-assertions

fn main() {
    let _val = unsafe {
        std::mem::transmute::<*const usize, Option<unsafe extern "C" fn()>>(std::ptr::null())
    };
    let _val = unsafe {
        std::mem::transmute::<*const usize, Option<unsafe extern "C" fn()>>(usize::MAX as *const _)
    };
    let _val = unsafe { std::mem::transmute::<usize, Option<unsafe extern "C" fn()>>(0) };
    let _val = unsafe { std::mem::transmute::<usize, Option<unsafe extern "C" fn()>>(1) };
    let _val = unsafe { std::mem::transmute::<usize, Option<unsafe extern "C" fn()>>(usize::MAX) };
}