https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124580
--- Comment #5 from Zhongyao Chen <chenzhongyao.hit at gmail dot com> --- In x264, `scores` appears to be a local stack array, different from pix, so perhaps whole-program compile-time analysis could prove non-aliasing instead of relying on runtime checks? might be expensive too.
