vec_deref.vec_deref_to_slice.PreCodegen.after.panic-abort.mir

// MIR for `vec_deref_to_slice` after PreCodegen

fn vec_deref_to_slice(_1: &Vec<u8>) -> &[u8] {
    debug v => _1;
    let mut _0: &[u8];
    scope 1 (inlined <Vec<u8> as Deref>::deref) {
        debug self => _1;
        let mut _4: *const u8;
        let mut _5: usize;
        scope 2 (inlined Vec::<u8>::as_ptr) {
            debug self => _1;
            let mut _2: &alloc::raw_vec::RawVec<u8>;
            scope 3 (inlined alloc::raw_vec::RawVec::<u8>::ptr) {
                debug self => _2;
                let mut _3: std::ptr::NonNull<u8>;
                scope 4 (inlined Unique::<u8>::as_ptr) {
                    debug ((self: Unique<u8>).0: std::ptr::NonNull<u8>) => _3;
                    debug ((self: Unique<u8>).1: std::marker::PhantomData<u8>) => const PhantomData::<u8>;
                    scope 5 (inlined NonNull::<u8>::as_ptr) {
                        debug self => _3;
                    }
                }
            }
        }
        scope 6 (inlined std::slice::from_raw_parts::<'_, u8>) {
            debug data => _4;
            debug len => _5;
            let _6: *const [u8];
            scope 7 (inlined core::ub_checks::check_language_ub) {
                scope 8 (inlined core::ub_checks::check_language_ub::runtime) {
                }
            }
            scope 9 (inlined std::mem::size_of::<u8>) {
            }
            scope 10 (inlined align_of::<u8>) {
            }
            scope 11 (inlined slice_from_raw_parts::<u8>) {
                debug data => _4;
                debug len => _5;
                scope 12 (inlined std::ptr::from_raw_parts::<[u8], u8>) {
                    debug data_pointer => _4;
                    debug metadata => _5;
                }
            }
        }
    }

    bb0: {
        StorageLive(_4);
        StorageLive(_2);
        _2 = &((*_1).0: alloc::raw_vec::RawVec<u8>);
        StorageLive(_3);
        _3 = ((((*_1).0: alloc::raw_vec::RawVec<u8>).0: std::ptr::Unique<u8>).0: std::ptr::NonNull<u8>);
        _4 = (_3.0: *const u8);
        StorageDead(_3);
        StorageDead(_2);
        StorageLive(_5);
        _5 = ((*_1).1: usize);
        _6 = *const [u8] from (_4, _5);
        StorageDead(_5);
        StorageDead(_4);
        _0 = &(*_6);
        return;
    }
}