[Bug target/78994] -Ofast makes aarch64 C++ benchmark slower for A53

[tulipawn at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78994

--- Comment #3 from PeteVine <tulipawn at gmail dot com> ---
Hey, that works for me too! (62565 vs 70758 in favour of -Ofast). Usefully
strange :)