[Bug libstdc++/54075] [4.7.1] unordered_map insert still slower than 4.6.2

[akim.demaille at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54075

--- Comment #49 from Akim Demaille <akim.demaille at gmail dot com> ---
It looks like this story is missing an end.