https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94222
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- You need to use va_copy or va_start and va_end again for the second vsnprintf.