https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69354
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |rejects-valid Status|UNCONFIRMED |NEW Last reconfirmed| |2016-01-19 Ever confirmed|0 |1 --- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- std::thread is doing the right thing, the problem is definitely in tuple: #include <tuple> struct MoveOnly { MoveOnly(MoveOnly&) =delete; MoveOnly& operator=(MoveOnly&) =delete; MoveOnly(MoveOnly&& ){} MoveOnly(){} }; std::tuple<MoveOnly> t{ MoveOnly{} };