301 Redirect trashed posts to the home page instead of a 404 page

Trash Redirect WordPress Plugin

<?php
/*
Plugin Name: Trash Redirect
Description: 301 Redirect trashed posts to the home page instead of a 404 page
*/

add_action('template_redirect', 'trash_redirect');
function trash_redirect(){
    if (is_404()){
        global $wp_query, $wpdb;
        $page_id = $wpdb->get_var( $wp_query->request );
        $post_status = get_post_status( $page_id );
        if($post_status == 'trash'){
            wp_redirect(home_url(), 301);
            die();
        }
    }
}