https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125049
--- Comment #2 from Xi Ruoyao <xry111 at gcc dot gnu.org> ---
Per PR 85434 it seems more secure to add stack_protect_combined_{set,test} as
apparently LoongArch backend will CSE stack canary address with the normal
stack_protect_{set,test} as well.
