Bug 244839

Summary: RegExp.rightContext differs between JSC and V8
Product: WebKit Reporter: qbtly <qbtly201>
Component: JavaScriptCoreAssignee: Nobody <webkit-unassigned>
Status: RESOLVED FIXED    
Severity: Normal CC: mark.lam, msaboff, webkit-bug-importer, ysuzuki
Priority: P2 Keywords: InRadar
Version: WebKit Local Build   
Hardware: PC   
OS: Linux   
Attachments:
Description Flags
the minimal poc none

qbtly
Reported 2022-09-06 04:45:03 PDT
Created attachment 462161 [details] the minimal poc var str = "ab"; var pattern = /a/; str.split(pattern); print(RegExp.rightContext); //JSC: //V8:b
Attachments
the minimal poc (85 bytes, application/x-javascript)
2022-09-06 04:45 PDT, qbtly 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2022-09-13 04:45:20 PDT
<rdar://problem/99865597>
Yusuke Suzuki
Comment 2 2022-09-14 13:23:39 PDT
Note: this is because String split is not using RegExpCache's performMatch (we are using RegExp::match instead). We should just use it instead.
Sosuke Suzuki
Comment 3 2024-03-24 06:23:28 PDT
Pull request: https://github.com/WebKit/WebKit/pull/26387
EWS
Comment 4 2024-04-16 11:14:45 PDT
Committed 277559@main (c5b8a0234ef8): <https://commits.webkit.org/277559@main> Reviewed commits have been landed. Closing PR #26387 and removing active labels.
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