https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85732
--- Comment #1 from Tom Straub <gnu-org at bignm dot com> --- Sorry, wrong compiler included in post, here is the right one: $ g++ --version g++ (Ubuntu 6.4.0-17ubuntu1~16.04) 6.4.0 20180424 Copyright (C) 2017 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.