This bug doesn't apply to 5.4.z:
Quoting Kevin Wolf:
"""
Am 08.01.2010 16:56, schrieb Markus Armbruster:
>
> Remind me, why is this z-stream material?
Good question. I don't think it should be z-stream. The fixed "bug" is a
regression that was introduced only in the 5.5 tree.
Kevin
"""