valid_gregorian_p 2501 ext/date/date_core.c 	if (!valid_gregorian_p(y, m, d,
valid_gregorian_p 3415 ext/date/date_core.c 	if (!valid_gregorian_p(y, m, d,
valid_gregorian_p 7357 ext/date/date_core.c 	if (!valid_gregorian_p(y, m, d,