[Bug tree-optimization/77673] [5/6/7 Regression] 4-byte load generated instead of 1-byte load, possibly reading past the end of object

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77673

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Regressed with r211778 aka PR61517.