https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63274
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID --- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to __vic from comment #0) > I suppose it should work without defining constructor for C. No, not according to the standard. std::allocator is required to use parentheses for initialization, see 20.7.9.1 [allocator.members] paragraph 12. http://cplusplus.github.io/LWG/lwg-active.html#2089 suggests changing that.