This patch fixes issue #2657, where passing unicode patterns compiled
with re.IGNORECASE to from_regex() could trigger an internal error when
casefolding a character creates a longer string (e.g. "\u0130".lower()
-> "i\u0370").
"""
Signed-off-by: Tim Orling <timothy.t.orling@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
