Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: bef9d7e632940bd8daf7b74789be91a2a76c3023
      
https://github.com/WebKit/WebKit/commit/bef9d7e632940bd8daf7b74789be91a2a76c3023
  Author: Yusuke Suzuki <[email protected]>
  Date:   2026-09-29 (Tue, 29 Sep 2026)

  Changed paths:
    A JSTests/stress/to-number-string-first-character.js
    M Source/JavaScriptCore/runtime/JSGlobalObjectFunctions.cpp

  Log Message:
  -----------
  [JSC] Quickly reject ToNumber("non-number-string")
https://bugs.webkit.org/show_bug.cgi?id=325591
rdar://188664175

Reviewed by Vassili Bykov.

Add quick rejection path to ToNumber("non-number-string") as it is
frequently happening.

Test: JSTests/stress/to-number-string-first-character.js

* JSTests/stress/to-number-string-first-character.js: Added.
(shouldBe):
(toNumber):
(looseEqual):
* Source/JavaScriptCore/runtime/JSGlobalObjectFunctions.cpp:
(JSC::toDouble):

Canonical link: https://commits.webkit.org/322140@main



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