[Bug c++/69564] lto and/or C++ make scimark2 LU slower

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69564

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
It looks like we get different BB order out of C++ than C but otherwise no real
code-differences as far as I can see.