Bug#551292: Another file
It seems this bug is triggered by including iso14651_t1 in locale
definition. I checked on my system and it happens even on en_GB or en_US
locales where the LC_COLLATE consists only of simple include of the
aforementioned file. But it doesn't happen on, for example, ja_JP locale
which doesn't touch the iso file. So I assume it's all about
/usr/share/i18n/locales/iso14651_t1
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