[Bug tree-optimization/117776] [12/13/14/15 Regression] Missed optimization/vectorization opportunity (adding a even/odd check to an accumulator)

[nicula.iccc at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117776

--- Comment #6 from Ionuț Nicula <nicula.iccc at gmail dot com> ---
Good point, my previous title was too generic, while the actual problem seems
to be very specific (i.e. related to the even/odd check, like you said).