[Bug middle-end/112302] The Os optimisation level removes variable value being set in a particular instance

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112302

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This might be undefined code dealing with unions and accesing the fields but
via a pointer outside a function ...