// TODO(gri) probably ok to bail out after first error (and simplify this code)
			} else {
				first = c
			}
		}
	}
}

func (check *Checker) multipleSelectDefaults(list []*syntax.CommClause) {
	var first *syntax.CommClause
	for _, c := range list {
		if c.Comm == nil {
			if first != nil {
				check.errorf(c, DuplicateDefault, "multiple defaults (first at %s)", first.Pos())