if (impl->func->vararg) {
struct psi_impl_arg *vararg = impl->func->vararg;
zend_internal_arg_info *ai = &aip[argc];
ai->name = vararg->var->name;
if (impl->func->vararg) {
struct psi_impl_arg *vararg = impl->func->vararg;
zend_internal_arg_info *ai = &aip[argc];
ai->name = vararg->var->name;