before_conversion
const char *otp_name = type_name(before_conversion(tn)->tn_type);
ln = before_conversion(ln);
rn = before_conversion(rn);
tn = before_conversion(tn);
cn = before_conversion(arg);
const tnode_t *before_conversion(const tnode_t *);
tspec_t olt = before_conversion(ln)->tn_type->t_tspec;
tspec_t ort = before_conversion(rn)->tn_type->t_tspec;
lint_assert(before_conversion(rn)->tn_op == COLON);
const type_t *tp = before_conversion(tn)->tn_type;
const type_t *tp = before_conversion(tn)->tn_type;
warning(130, expr_type_name(before_conversion(ln)),
expr_type_name(before_conversion(rn)));