RESOLVED FIXED304410
[JSC] Error.isError(WebAssembly.Exception) should be `false` 
https://bugs.webkit.org/show_bug.cgi?id=304410
Summary [JSC] Error.isError(WebAssembly.Exception) should be `false`
Tetsuharu Ohzeki [UTC+9]
Reported 2025-12-18 07:25:19 PST
According to the spec discussion, the current `WebAssembly.Exception` does not have `[[ErrorData]]` semantically. So `Error.isError(WebAssembly.Exception)` should be `false`. - https://github.com/WebAssembly/spec/issues/1914 - https://webassembly.github.io/spec/js-api/#exceptions
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Add attachment proposed patch, testcase, etc.
Tetsuharu Ohzeki [UTC+9]
Comment 1 2025-12-18 07:27:52 PST
Pull request: https://github.com/WebKit/WebKit/pull/55629
EWS
Comment 2 2025-12-23 18:24:47 PST
Committed 304917@main (6376164b58fe): <https://commits.webkit.org/304917@main> Reviewed commits have been landed. Closing PR #55629 and removing active labels.
Radar WebKit Bug Importer
Comment 3 2025-12-23 18:25:12 PST
<rdar://problem/167110254>
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