https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93141
--- Comment #1 from Madhur Chauhan <madhur4127 at gmail dot com> --- The source of this bug is the stackoverflow Q&A: https://stackoverflow.com/questions/59575408/fastest-way-to-sum-dot-product-of-vector-of-unsigned-64-bit-integers-using-192-2/59579310#59579310
