[Bug lto/83804] [meta] LTO memory consumption

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83804

--- Comment #5 from Martin Liška <marxin at gcc dot gnu.org> ---
So comparing memory footprint of GCC 7 and GCC 8, I see small increase for WPA
phase (~5%).