OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6708
Crash type: UNKNOWN READ
Crash state:
boost::re_detail_NUMBER::basic_regex_creator<char, boost::regex_traits<char, boo
boost::re_detail_NUMBER::basic_regex_creator<char, boost::regex_traits<char, boo
boost::re_detail_NUMBER::basic_regex_parser<char, boost::regex_traits<char, boos