[webkit-changes] [WebKit/WebKit] 4b1613: [JSC] `Set#symmetricDifference` should call `this....

[SUZUKI Sosuke]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 4b16138ae6dd3449c3b7b5a7c17f67a69b40d340
      https://github.com/WebKit/WebKit/commit/4b16138ae6dd3449c3b7b5a7c17f67a69b40d340
  Author: Sosuke Suzuki <sosuke.suzuki at dr-ubie.com>
  Date:   2024-04-15 (Mon, 15 Apr 2024)

  Changed paths:
    A JSTests/stress/set-prototype-symmetricDifference-mutate-this.js
    M JSTests/test262/expectations.yaml
    M Source/JavaScriptCore/builtins/SetPrototype.js

  Log Message:
  -----------
  [JSC] `Set#symmetricDifference` should call `this.has` in each iteration
https://bugs.webkit.org/show_bug.cgi?id=272679

Reviewed by Yusuke Suzuki.

According to the spec[1](7.b.iv), `SetDataHas` in each iteration of `Set#symmetricDifference` should be called on `O`, not on `resultSetData`.

[1]: https://tc39.es/proposal-set-methods/#sec-set.prototype.symmetricdifference

* JSTests/stress/set-prototype-symmetricDifference-mutate-this.js: Added.
(shouldBe):
(const.setB.has):
(const.setB.keys):
* JSTests/test262/expectations.yaml:
* Source/JavaScriptCore/builtins/SetPrototype.js:
(symmetricDifference):

Canonical link: https://commits.webkit.org/277526@main



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