On Mon, 25 Apr 2022 15:10:01 GMT, Claes Redestad <redes...@openjdk.org> wrote:
> Unfortunately this leads to an error for case-insensitive `regionMatches` > between a latin-1-string that contains either of `\u00b5` or `\u00ff` (these > two code-points have upper case codepoints outside of the latin-1 range) and > a UTF-16 string: > > ``` > jshell> "\u00b5".regionMatches(true, 0, "\u0100", 0, 1) > | Exception java.lang.ArrayIndexOutOfBoundsException: Index 924 out of > bounds for length 256 > | at CharacterDataLatin1.getProperties (CharacterDataLatin1.java:74) > | at CharacterDataLatin1.toLowerCase (CharacterDataLatin1.java:140) > | at StringLatin1.regionMatchesCI_UTF16 (StringLatin1.java:420) > | at String.regionMatches (String.java:2238) > | at (#4:1) > ``` @cl4es Yes, you are correct. And if change it to `CharacterDataLatin1.instance.toLowerCase(u1)`, it would strongly harm performance. ------------- PR: https://git.openjdk.java.net/jdk/pull/8308
