RESOLVED FIXED301710
Temporal: Adding large microseconds or nanoseconds values can yield wrong results 
https://bugs.webkit.org/show_bug.cgi?id=301710
Summary Temporal: Adding large microseconds or nanoseconds values can yield wrong res...
Tim Chevalier
Reported 2025-10-30 13:04:07 PDT
``` const pdt = Temporal.PlainDateTime.from("2020-02-29T00:57:27.747612578"); pdt.add(Temporal.Duration.from({microseconds: Number.MAX_SAFE_INTEGER}).toString() ``` Should be: ``` "2305-08-04T00:45:02.488603578" ``` Actual result in JSC: ``` "2305-08-04T00:45:02.488604578" ```
Attachments
Add attachment proposed patch, testcase, etc.
Tim Chevalier
Comment 1 2025-10-30 13:09:55 PDT
Pull request: https://github.com/WebKit/WebKit/pull/53211
EWS
Comment 2 2025-11-03 18:07:17 PST
Committed 302509@main (ce3c6e45d71d): <https://commits.webkit.org/302509@main> Reviewed commits have been landed. Closing PR #53211 and removing active labels.
Radar WebKit Bug Importer
Comment 3 2025-11-03 18:08:12 PST
<rdar://problem/163977265>
WebKit Commit Bot
Comment 4 2025-11-03 19:40:24 PST
Re-opened since this is blocked by bug 301904
Tim Chevalier
Comment 5 2025-11-04 12:00:54 PST
Pull request: https://github.com/WebKit/WebKit/pull/53413
EWS
Comment 6 2025-11-04 20:50:13 PST
Committed 302573@main (db7f4c5396b8): <https://commits.webkit.org/302573@main> Reviewed commits have been landed. Closing PR #53413 and removing active labels.
Note You need to log in before you can comment on or make changes to this bug.