message: Fix ICE on unsized locals
  Fixes
diff: @@ -161,6 +161,12 @@ fn make_local_place<'tcx>(
  layout: TyAndLayout<'tcx>,
  is_ssa: bool,
  ) -> CPlace<'tcx> {
  + if layout.is_unsized() {
  + fx.tcx.sess.span_fatal(
  + fx.mir.local_decls[local].source_info.span,
  + "unsized locals are not yet supported",
  + );
  + }
  let place = if is_ssa {
  if let rustc_target::abi::Abi::ScalarPair(_, _) = layout.abi {
  CPlace::new_var_pair(fx, local, layout)
  