https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91608
--- Comment #2 from Hannes Hauswedell <h2+bugs at fsfe dot org> --- I am on the following snapshot > g++10 (FreeBSD Ports Collection) 10.0.0 20190818 (experimental) so I am likely not entirely up to date! If it has been fixed already, we can close this of course!