[Bug libstdc++/122313] std::vector::insert(const_iterator, InputIt, InputIt) should allow *InputIt with convertible type

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122313

--- Comment #7 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Ah no, assign(i,j) does require the value_type to be assignable from *i