[Bug libstdc++/104719] Use of `std::move` in libstdc++ leads to worsened debug performance

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104719
Eric Gallager <egallager at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=67906,
                   |                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=81159,
                   |                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=90428
                 CC|                            |egallager at gcc dot gnu.org,
                   |                            |mpolacek at gcc dot gnu.org

--- Comment #3 from Eric Gallager <egallager at gcc dot gnu.org> ---
Seems related to some of the requests for more warnings about uses of std::move
that might degrade performance, e.g. bug 67906, bug 81159, bug 90428

Also, Marek's blog post about std::move seems relevant here:
https://developers.redhat.com/blog/2019/04/12/understanding-when-not-to-stdmove-in-c