https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87774
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2021-07-24 Ever confirmed|0 |1 Status|UNCONFIRMED |NEW --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Confirmed. Clang requires builtin functions to be directly called: <source>:7:9: error: builtin functions must be directly called (fp ? __builtin_fprintf : ff)(fp, "abc"); ^