Behavior change in iconv testcase (which leads to phpmyadmin build failure):

# running with this only set on the same line as iconv does not show the issue
$ export LC_ALL=C.UTF-8
$ LC_ALL=C.UTF-8 echo "This is the Euro symbol '€'" |iconv -f UTF-8 -t ISO-8859-1//TRANSLIT

Yakkety:
This is the Euro symbol 'EUR'
# libc-bin == 2.24-3ubuntu2

Zesty:
This is the Euro symbol 'iconv: illegal input sequence at position 25
# libc-bin == 2.24-7ubuntu2

Sid:
This is the Euro symbol 'iconv: illegal input sequence at position 25
# libc-bin == 2.24-9