Related to Backdrop core issue: https://github.com/backdrop/backdrop-issues/issues/4441 See also: * https://www.drupal.org/project/drupal/issues/2993575 * https://www.drupal.org/project/coder/issues/3151838 * https://mobile.twitter.com/s_bergmann/status/1269917026107248641 * https://github.com/php/php-src/pull/5685
