[Bug other/81831] -Wno-psabi is not documented

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81831

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Hmm, weird:
Wpsabi
C ObjC C++ ObjC++ LTO Var(warn_psabi) Init(1) Warning Undocumented
LangEnabledBy(C ObjC C++ ObjC++,Wabi)