[Bug c++/103699] Reading or writing a constant unaligned value is wrongly optimized causing an incorrect result (GCC-11 and up)

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103699

--- Comment #14 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
And, if you want those loads to be valid, gcc has may_alias attribute.