https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108231
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Ever confirmed|0 |1 Status|UNCONFIRMED |NEW Summary|malloc attribute vs extern |malloc attribute vs extern |"C" in a namespace and |"C" in a namespace and |global and using of one in |global and using of one in |the namespace in the global |the namespace in the global |one |one and the builtin free Last reconfirmed| |2022-12-27 --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- The problem is related to that free is a builtin rather than the extern "C" really. -fno-builtin fixes the error too.