Hunspell 1.7.0 has an invalid read operation in SuggestMgr::leftcommonsubstring in suggestmgr.cxx.
github.com/butterflyhack/hunspell-crash
lists.fedoraproject.org/archives/list/[email protected]/message/24NTBHK2QNYKSBMJI34WEU5MHS3H2FAI/
lists.fedoraproject.org/archives/list/[email protected]/message/D2YOYFI36IWKABNGFTWXCH7TTGAFODH6/
lists.fedoraproject.org/archives/list/[email protected]/message/LNTSVWI4SWBQL6XMXNGEH7EAQ45WN63G/
lists.fedoraproject.org/archives/list/[email protected]/message/UD4AJ4M74VT3I6L37E4P5DNYZYBZIOVM/