typecheckargs(n)
	if len(n.Results) != 0 {
		typecheckaste(ir.ORETURN, nil, false, ir.CurFunc.Type().Results(), n.Results, func() string { return "return argument" })
	}
	return n
}

// select
func tcSelect(sel *ir.SelectStmt) {
	var def *ir.CommClause
	lno := ir.SetPos(sel)
	Stmts(sel.Init())
	for _, ncase := range sel.Cases {
		if ncase.Comm == nil {
			// default
			if def != nil {

		n := n.(*ir.TailCallStmt)
		n.Call = typecheck(n.Call, ctxStmt|ctxExpr).(*ir.CallExpr)
		return n

	case ir.OCHECKNIL:
		n := n.(*ir.UnaryExpr)
		return tcCheckNil(n)

	case ir.OSELECT:
		tcSelect(n.(*ir.SelectStmt))
		return n

	case ir.OSWITCH:
		tcSwitch(n.(*ir.SwitchStmt))
		return n

	case ir.ORANGE:
		tcRange(n.(*ir.RangeStmt))
		return n

	case ir.OTYPESW:

e":"text-align-06-b-expected.checksum","kids":[],"cl_weight":0.0020117049938618995,"touches":3,"min_t":1228948796,"max_t":1236205616,"mean_t":1231542986},{"name":"text-tselect-01-b-expected.png","kids":[],"cl_weight":0.0020117049938618995,"touches":3,"min_t":1228948796,"max_t":1236205616,"mean_t":1231542986},{"name":"text-tselect-01-b-expected.checksum","kids":[],"cl_weight":0.0020117049938618995,"touches":3,"min_t":1228948796,"max_t":1236205616,"mean_t":1231542986},{"name":"text-ws-02-t-expecte...