Gentoo's Bugzilla – Bug 679156www-client/chromium-73.0.3683.27: ../../base/optional.h:348:61: error: no member named 'value' in 'std::is_constructible<media::learning::Value, const base::Optional<media::learning::Value> &>'Last modified: 2019-03-10 08:19:51 UTC node [vulture]