// slice[from:-to] in Python terms.
match cplace.layout().ty.kind {
- ty::Array(elem_ty, len) => {
+ ty::Array(elem_ty, _len) => {
+ assert!(!from_end, "array subslices are never `from_end`");
let elem_layout = fx.layout_of(elem_ty);
let ptr = cplace.to_ptr(fx);
- let len = crate::constant::force_eval_const(fx, len)
- .eval_usize(fx.tcx, ParamEnv::reveal_all());
cplace = CPlace::for_ptr(
ptr.offset_i64(fx, elem_layout.size.bytes() as i64 * from as i64),
fx.layout_of(fx.tcx.mk_array(elem_ty, to as u64 - from as u64)),