On Tue, 23 Jul 2024 12:56:07 GMT, Shaojin Wen <s...@openjdk.org> wrote:
>> Currently simpleConcat is implemented using mix and prepend, but in this
>> simple scenario, it can be implemented in a simpler way and can improve
>> performance.
>
> Shaojin Wen has updated the pull request incrementally with one additional
> commit since the last revision:
>
> reduce change
Looks like this changes regressed behavior on long Strings:
String r1 = "-".repeat(Integer.MAX_VALUE - 10);
String r2 = "ы".repeat((Integer.MAX_VALUE - 10) / 2);
System.out.println(r1.concat(r2));
This code now throws `StringIndexOutOfBoundsException` instead of
`OutOfMemoryError`
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PR Comment: https://git.openjdk.org/jdk/pull/20253#issuecomment-2850196722
