[Bug target/66120] __builtin_add/sub_overflow for int32_t emit poor code on ARM

[clyon at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66120
Bug 66120 depends on bug 69663, which changed state.

Bug 69663 Summary: [ARM] Implement overflow arithmetic standard names 
{u,}{add,sub,mul}v4<mode>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69663

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED