// Regression test for #63952, shouldn't hang. // stderr-per-bitwidth #[repr(C)] #[derive(Copy, Clone)] struct SliceRepr { ptr: *const u8, len: usize, } union SliceTransmute { repr: SliceRepr, slice: &'static [u8], } // bad slice: length too big to even exist anywhere const SLICE_WAY_TOO_LONG: &[u8] = unsafe { //~ ERROR: it is undefined behavior to use this value SliceTransmute { repr: SliceRepr { ptr: &42, len: usize::MAX, }, } .slice }; fn main() {}