fn insert_alignment_check<'tcx>(
    tcx: TyCtxt<'tcx>,
    local_decls: &mut IndexVec<Local, LocalDecl<'tcx>>,
    block_data: &mut BasicBlockData<'tcx>,
    pointer: Place<'tcx>,
    pointee_ty: Ty<'tcx>,
    source_info: SourceInfo,
    new_block: BasicBlock,
)