OSV-2022-1042 Heap-buffer-overflow in AffixMgr::compound_check

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=52317 Crash type: Heap-buffer-overflow READ 16 Crash state: AffixMgr::compoundcheck SuggestMgr::checkword SuggestMgr::testsug...