Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 3b17285b1ce697a56d8c48b9268103847436337b
      
https://github.com/WebKit/WebKit/commit/3b17285b1ce697a56d8c48b9268103847436337b
  Author: Yusuke Suzuki <[email protected]>
  Date:   2022-11-08 (Tue, 08 Nov 2022)

  Changed paths:
    A JSTests/stress/assignment-array.js
    M Source/JavaScriptCore/parser/Parser.cpp

  Log Message:
  -----------
  Property access of sparse array in LHS throws unexpected `SyntaxError`
https://bugs.webkit.org/show_bug.cgi?id=247435
rdar://102065657

Reviewed by Mark Lam.

We should properly clear nonLHSCount after ArrayLiteral parsing.
We use SetForScope to do that via RAII.

* JSTests/stress/assignment-array.js: Added.
* Source/JavaScriptCore/parser/Parser.cpp:
(JSC::Parser<LexerType>::parseDestructuringPattern):
(JSC::Parser<LexerType>::parseObjectLiteral):
(JSC::Parser<LexerType>::parseArrayLiteral):
(JSC::Parser<LexerType>::parsePrimaryExpression):
(JSC::Parser<LexerType>::parseMemberExpression):

Canonical link: https://commits.webkit.org/256471@main


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