I wrote:
>> That's what I ended up with too, so LGTM!
> Pushed, thanks for review! (and I'll update the open items list in a
> sec)
... or maybe not just yet. Andres' buildfarm critters seem to have
a different opinion than my machine about what the output of
collate.icu.utf8 ought to be. I wonder what the prevailing LANG
setting is for them, and which ICU version they're using.
regards, tom lane