[Bug c/121509] runtime differences with -march=znver3

[dcb314 at hotmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121509

--- Comment #2 from David Binderman <dcb314 at hotmail dot com> ---
trunk $ git log b963237a903f73cf..87262627fd65a1a7 | grep -c "^commit"
259
trunk $ 

I have a reduction running.