Bug 262394

Summary:	[JSC] Duplicate lexical bindings should only be allowed for FunctionDeclarations
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 2023-09-29 13:08:02 PDT

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

Comment 1 Radar WebKit Bug Importer 2023-09-29 13:08:25 PDT

<rdar://problem/116252189>

Comment 2 Alexey Shvayka 2023-09-29 13:12:10 PDT

Pull request: https://github.com/WebKit/WebKit/pull/18429

Comment 3 EWS 2023-09-29 15:35:54 PDT

Committed 268671@main (e4042719d2be): <https://commits.webkit.org/268671@main>

Reviewed commits have been landed. Closing PR #18429 and removing active labels.