[Bug tree-optimization/115152] [13/14/15 Regression] wrong code at -O3 with "-fno-tree-fre -fno-tree-dominator-opts -fno-tree-loop-im" on x86_64-linux-gnu

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115152

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
That is it looks like a bad interaction between `Vector(1) char` stores and
reads from char. BUT I don't understand how it gets that badly wrong.