[Bug c++/62222] 'tuple_element_t' was not declared in this scope

[tower120 at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62222

--- Comment #3 from tower120 <tower120 at gmail dot com> ---
Oh I see.

Well, what gcc version is that, then? http://patchwork.ozlabs.org/patch/339121/