Bug 268864

Summary: [JSC] emitReturn() should load `this` value from arrow function lexical environment prior to TDZ check
Product: WebKit Reporter: Alexey Shvayka <ashvayka>
Component: JavaScriptCoreAssignee: Alexey Shvayka <ashvayka>
Status: RESOLVED FIXED    
Severity: Normal CC: webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: All   
OS: All   
Bug Depends on:    
Bug Blocks: 268026    

Description Alexey Shvayka 2024-02-06 15:29:44 PST 
Related test262 failures:
  * test/language/statements/class/subclass/derived-class-return-override-catch-finally-arrow.js
  * test/language/statements/class/subclass/derived-class-return-override-finally-super-arrow.js
  * test/language/statements/class/subclass/derived-class-return-override-for-of-arrow.js
Comment 1 Radar WebKit Bug Importer 2024-02-06 15:30:11 PST 
<rdar://problem/122430056>
Comment 2 Alexey Shvayka 2024-02-06 16:05:52 PST 
Pull request: https://github.com/WebKit/WebKit/pull/23965
Comment 3 EWS 2024-02-27 22:39:54 PST 
Committed 275425@main (26302cf8d239): <https://commits.webkit.org/275425@main>

Reviewed commits have been landed. Closing PR #23965 and removing active labels.