OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19497
Crash type: Use-of-uninitialized-value Crash state: isMatchAtCPBoundary u_strFindFirst_66 icu_66::UnicodeString::indexOf
bugs.chromium.org/p/oss-fuzz/issues/detail?id=19497