https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80345
Markus Trippelsdorf <trippels at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|WAITING |NEW Known to work| |6.3.1, 7.0 --- Comment #4 from Markus Trippelsdorf <trippels at gcc dot gnu.org> --- 6.3 branch works fine. Only 5.4.1 is affected. So it looks like a missing backport.