The "class_list_match_sane()" function causes strncpy truncation warnings:

https://github.com/openjdk/valhalla/commit/cab7a5b928940dc5d0e616f15439ad6d546120ed#diff-d54bb66c79c376b25a254d6dbe198218R298

Further, this is a test function, belongs in gtest:

test/hotspot/gtest/utilities/test_stringUtils.cpp