locale issue in phpmyadmin build

[Nish Aravamudan]

phpmyadmin has been stuck in z-p for some time because of a testcase
failure (tests were only recently updated to run during the build) and
it seems to be a locale/iconv issue. The testcase in question is
attempting to //TRANSLIT the euro symbol, and iconv issues an error on
the euro symbol under C.UTF-8. I am able to reproduce this on the shell
a la: http://paste.ubuntu.com/23962998/

I noticed the POSIX behavior, in contrast, because my lxd container
where I was testing was working and that was the default locale. Note
also the C locale passes, it's only C.UTF-8 that seems to have this
issue.

Any ideas for resolving this? When I last examined this issue (a few
weeks ago, I think), I was unable to reproduce the failure in my Sid
container, but after updating and runnig it today, it also happened
there with the version currently in Sid.

Thanks,
Nish

-- 
Nishanth Aravamudan
Ubuntu Server
Canonical Ltd