[Bug middle-end/78824] multiple add should in my opinion be optimized to multiplication

[freddie_chopin at op dot pl]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78824

--- Comment #5 from Freddie Chopin <freddie_chopin at op dot pl> ---
Sure, more data points show that this is most likely a problem in a target
component, not in middle-end or c front-end.