https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82696
--- Comment #4 from slohm...@uni-wuppertal.de --- Ok, have confirmed that it works fine with GCC 5/6/7, so it has obviously been fixed. Didn't find a bugreport so i assumed it would be still there in newer versions too...by bad. Keep up the good work!