OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9539
Crash type: UNKNOWN READ
Crash state:
boost::sub_match<std::__1::__wrap_iter<char const*> >::sub_match
_ZNSt3__16vectorIN5boost9sub_matchINS_11__wrap_iterIPKcEEEENS_9allocatorIS7_EEE1
boost::match_results<std::__1::__wrap_iter<char const*>, std::__1::allocator<boo