https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88292
--- Comment #2 from Toby Brull <tobias.bruell at gmail dot com> --- Probably (at least partly) a duplicate of PR 81880. Seems to be working now on more recent versions (7.5, 8.4, 10.1), even though PR 81880 still persists. Close?