https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83789
--- Comment #12 from Kaushikp <kaushik.phatak at kpitcummins dot com> --- >> we're getting duplicate named patterns. Yes, it does generate multiple patters for the concerned built-ins causing toolchain build failure. I think it's trying to force the same pattern for 32-bit which exist for 64-bit causing redefinition error.