https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77495
Ville Voutilainen <ville.voutilainen at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Depends on| |77288 --- Comment #1 from Ville Voutilainen <ville.voutilainen at gmail dot com> --- The latest patch for PR 77288 fixes this problem as well. Referenced Bugs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77288 [Bug 77288] Std::experimental::optional::operator= implementation is broken in gcc 6.1