message: Remove implementation of intrinsics that are now lowered
  See rust-lang/rust#80040
diff: @@ -444,9 +444,6 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
  "abort" => {
  trap_abort(fx, "Called intrinsic::abort.");
  }
  - "unreachable" => {
  - trap_unreachable(fx, "[corruption] Called intrinsic::unreachable.");
  - }
  "transmute" => {
  crate::base::codegen_panic(fx, "Transmuting to uninhabited type.", span);
  }
  @@ -559,12 +556,6 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
  fx.bcx.call_memmove(fx.cx.module.target_config(), dst, src, byte_amount);
  }
  };
  - discriminant_value, (c ptr) {
  - let pointee_layout = fx.layout_of(ptr.layout().ty.builtin_deref(true).unwrap().ty);
  - let val = CValue::by_ref(Pointer::new(ptr.load_scalar(fx)), pointee_layout);
  - let discr = crate::discriminant::codegen_get_discriminant(fx, val, ret.layout());
  - ret.write_cvalue(fx, discr);
  - };
  size_of_val, <T> (c ptr) {
  let layout = fx.layout_of(T);
  let size = if layout.is_unsized() {
  @@ -625,22 +616,6 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
  );
  ret.write_cvalue(fx, res);
  };
  - _ if intrinsic.starts_with("wrapping_"), (c x, c y) {
  - assert_eq!(x.layout().ty, y.layout().ty);
  - let bin_op = match intrinsic {
  - "wrapping_add" => BinOp::Add,
  - "wrapping_sub" => BinOp::Sub,
  - "wrapping_mul" => BinOp::Mul,
  - _ => unreachable!("intrinsic {}", intrinsic),
  - };
  - let res = crate::num::codegen_int_binop(
  - fx,
  - bin_op,
  - x,
  - y,
  - );
  - ret.write_cvalue(fx, res);
  - };
  _ if intrinsic.starts_with("saturating_"), <T> (c lhs, c rhs) {
  assert_eq!(lhs.layout().ty, rhs.layout().ty);
  let bin_op = match intrinsic {
  @@ -900,7 +875,7 @@ fn swap(bcx: &mut FunctionBuilder<'_>, v: Value) -> Value {
  dest.write_cvalue(fx, val);
  };
  - size_of | pref_align_of | min_align_of | needs_drop | type_id | type_name | variant_count, () {
  + pref_align_of | min_align_of | needs_drop | type_id | type_name | variant_count, () {
  let const_val =
  fx.tcx.const_eval_instance(ParamEnv::reveal_all(), instance, None).unwrap();
  let val = crate::constant::codegen_const_value(
  