https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69600
--- Comment #4 from sshannin at gmail dot com --- FWIW, this seems to be fixed on trunk. Still fails for at least 6.2, 5.4, and 4.9.4, but does compile with 7/trunk and 4.8.5 https://godbolt.org/g/hx9q4S
