}
ty::Array(ty, len) => {
- let len =
- len.try_eval_usize(tcx, ParamEnv::reveal_all()).ok_or(Err::Unspecified)?;
+ let len = len
+ .try_eval_target_usize(tcx, ParamEnv::reveal_all())
+ .ok_or(Err::Unspecified)?;
let elt = Tree::from_ty(*ty, tcx)?;
Ok(std::iter::repeat(elt)
.take(len as usize)