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

[marxin at gcc dot gnu.org]

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

--- Comment #23 from Martin Liška <marxin at gcc dot gnu.org> ---
Depending on memory layout of the structure, but these 2 structures increase
memory of about ((32+88)*3258685)/(1024**2) ~372 MB.