Bug 262330

Summary:	[JSC] Block-level function declarations shouldn't be allowed to shadow `var` bindings
Product:	WebKit	Reporter:	Alexey Shvayka <ashvayka>
Component:	JavaScriptCore	Assignee:	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:	260484

Description Alexey Shvayka 2023-09-28 14:21:23 PDT

Related test262 failures:
  * test/language/block-scope/syntax/redeclaration/inner-block-var-name-redeclaration-attempt-with-async-function.js
  * test/language/block-scope/syntax/redeclaration/inner-block-var-name-redeclaration-attempt-with-async-generator.js
  * test/language/block-scope/syntax/redeclaration/inner-block-var-name-redeclaration-attempt-with-function.js
  * test/language/block-scope/syntax/redeclaration/inner-block-var-name-redeclaration-attempt-with-generator.js
  * test/language/block-scope/syntax/redeclaration/var-name-redeclaration-attempt-with-async-function.js
  * test/language/block-scope/syntax/redeclaration/var-name-redeclaration-attempt-with-async-generator.js
  * test/language/block-scope/syntax/redeclaration/var-name-redeclaration-attempt-with-function.js
  * test/language/block-scope/syntax/redeclaration/var-name-redeclaration-attempt-with-generator.js
  * test/language/statements/switch/syntax/redeclaration/var-name-redeclaration-attempt-with-async-function.js
  * test/language/statements/switch/syntax/redeclaration/var-name-redeclaration-attempt-with-async-generator.js
  * test/language/statements/switch/syntax/redeclaration/var-name-redeclaration-attempt-with-function.js
  * test/language/statements/switch/syntax/redeclaration/var-name-redeclaration-attempt-with-generator.js

Comment 1 Radar WebKit Bug Importer 2023-09-28 14:21:53 PDT

<rdar://problem/116202546>

Comment 2 Alexey Shvayka 2023-09-28 14:32:42 PDT

Pull request: https://github.com/WebKit/WebKit/pull/18380

Comment 3 EWS 2023-09-29 00:48:58 PDT

Committed 268634@main (133e011511b5): <https://commits.webkit.org/268634@main>

Reviewed commits have been landed. Closing PR #18380 and removing active labels.