[Bug c++/82229] GCC7's LTO underperforms compared to GCC6

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82229

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Can you show the command lines being used to compile each file in gcc 7?