[Bug sanitizer/63361] Test case c-c++-common/ubsan/float-cast-overflow-1.c fails on Pentium2

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63361

--- Comment #13 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #12)
> Comment on attachment 41771 [details]
> Patch candidate
> 
> I don't think we want to add -ffloat-store unconditionally, only for targets
> that really need it.

Ok, thus can you please help me how to do a condition of affected x87 CPUs?