[Bug libstdc++/100823] Special member functions of common_iterator should be conditionally trivial

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100823

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Fixed on trunk so far. I plan to backport the r13-1770 commit (but not the one
changing triviality).