[Bug lto/78140] [7 Regression] libxul -flto uses 1GB more memory than gcc-6

[hubicka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78140

--- Comment #15 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
How does the memory use look with current tree?