On Mon, 3 Jul 2023 09:20:04 GMT, Glavo <d...@openjdk.org> wrote:
>> String str0 = new String(new byte[]{-75}, StandardCharsets.ISO_8859_1);
>> String str1 = str0.toUpperCase();
>>
>> str0.coder is LATIN1
>> str1.coder is UTF16
>
>> ```java
>> String str0 = new String(new byte[]{-75}, StandardCharsets.ISO_8859_1);
>> String str1 = str0.toUpperCase();
>> ```
>>
>> str0.coder is LATIN1 str1.coder is UTF16
>
> This happens only with `toUpperCase`, not with `toLowerCase`.
another example:
String str0 = new String(new byte[]{-1}, StandardCharsets.ISO_8859_1);
String str1 = str0.toUpperCase();
str0.coder is LATIN1
str1.coder is UTF16
-------------
PR Review Comment: https://git.openjdk.org/jdk/pull/14751#discussion_r1250548264
