https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86127
--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Jonathan Wakely from comment #2) > Also your test is flawed. > > (In reply to Scott Constable from comment #0) > > forward_list test > > ================== > > These all come from the default constructor: Oops, I meant from the initializer-list constructor, not the default constructor.