On Fri, 9 Oct 2026 01:45:50 GMT, Yunbo Zhang <[email protected]> wrote:
>> Please review this small fix. >> >> `MethodHandles.foldArguments` throws an unspecified >> `ArrayIndexOutOfBoundsException` for negative `pos` values. Extreme values >> such as `Integer.MAX_VALUE` can also overflow the existing addition-based >> bounds check. >> >> **Fix:** >> >> Reject invalid positions with `IllegalArgumentException` and include the >> position in the error message. Use a subtraction-based bounds check to avoid >> overflow, and document the valid range for `pos`. >> >> **Testing:** >> >> - Added regression tests. >> - `make test TEST=test/jdk/java/lang/invoke`: 198 passed, 4 excluded, 0 >> failed. >> >> --------- >> - [x] I confirm that I make this contribution in accordance with the >> [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai). > > Yunbo Zhang has updated the pull request incrementally with one additional > commit since the last revision: > > 8367022: MethodHandles.foldArguments throws unspecified > ArrayIndexOutOfBoundsException for negative pos Marked as reviewed by jvernee (Reviewer). Thanks for the updates. I've finalized the CSR ------------- PR Review: https://git.openjdk.org/jdk/pull/32618#pullrequestreview-5471389397 PR Comment: https://git.openjdk.org/jdk/pull/32618#issuecomment-6082859929
