The port installs a symlink in /usr/local/bin lrwxr-xr-x 1 root wheel 12 Sep 5 01:08 /usr/local/bin/irc -> irc-20140831 but it doesn't install irc-20140831 itself. Deleting the symlink and reinstalling the port doesn't fix the issue.
over to maintainer
Well, that's embarrassing.
A commit references this bug: Author: adamw Date: Fri Sep 5 14:17:18 UTC 2014 New revision: 367339 URL: http://svnweb.freebsd.org/changeset/ports/367339 Log: Package the binary, not a symlink to it. PR: 193333 Changes: head/irc/ircII/Makefile
Fixed, thanks!