# $FreeBSD: stable/10/bin/sh/tests/builtins/case20.0 287752 2015-09-13 13:58:46Z jilles $

# Shells do not agree about what this pattern should match, but it is
# certain that it must not crash and the missing close bracket must not
# be simply ignored.

case B in
[[:alpha:]) echo bad ;;
esac