https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121499
--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> --- https://gist.github.com/shafik/848ae25ee209f698763cffee272a58f8 https://developers.redhat.com/blog/2020/06/02/the-joys-and-perils-of-c-and-c-aliasing-part-1 https://blog.regehr.org/archives/1307
