[Bug c/128163] wrong code at -O1: store through the pointer argument of an [[unsequenced]] function declared without a prototype is ignored

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=128163

Drea Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|FIXED                       |INVALID

--- Comment #3 from Drea Pinski <pinskia at gcc dot gnu.org> ---
unsequenced also needs to be independent.  That is a unsequenced function can
be reordered with respect to loads.  That is what is happening here.