bol and eol behaving differently on -search vs -replace/all

[snan]

(import (chicken irregex))
(eq?
 (not (not (irregex-search '(: bol eol) "")))
 (equal? "foo" (irregex-replace/all '(: bol eol) "" "foo")))

This is #f on Chicken 5.3.0 but shouldn't it be #t?