[Bug bootstrap/105664] Install with suffix creates extra file

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105664

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
https://pubs.opengroup.org/onlinepubs/009604599/utilities/mv.html

https://pubs.opengroup.org/onlinepubs/009604599/functions/rename.html