Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 9a9fa471589e5dda8df9bc148fe854950dca4883
      
https://github.com/WebKit/WebKit/commit/9a9fa471589e5dda8df9bc148fe854950dca4883
  Author: Sosuke Suzuki <[email protected]>
  Date:   2026-05-28 (Thu, 28 May 2026)

  Changed paths:
    A JSTests/microbenchmarks/array-prototype-lastIndexOf-double-large.js
    M Source/JavaScriptCore/runtime/ArrayPrototype.cpp

  Log Message:
  -----------
  [JSC] Use `WTF::reverseFindDouble` for `Array#lastIndexOf`
https://bugs.webkit.org/show_bug.cgi?id=315639

Reviewed by Yusuke Suzuki.

This patch changes to use `WTF::reverseFindDouble` for `Array#lastIndexOf`.

Test: JSTests/microbenchmarks/array-prototype-lastIndexOf-double-large.js

* JSTests/microbenchmarks/array-prototype-lastIndexOf-double-large.js: Added.
(test):
* Source/JavaScriptCore/runtime/ArrayPrototype.cpp:
(JSC::fastIndexOf):

Canonical link: https://commits.webkit.org/314027@main



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