Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 7c9b3a28260f813e33d0a601c4d00a957347905e
      
https://github.com/WebKit/WebKit/commit/7c9b3a28260f813e33d0a601c4d00a957347905e
  Author: Devin Rousso <[email protected]>
  Date:   2026-07-04 (Sat, 04 Jul 2026)

  Changed paths:
    M LayoutTests/inspector/runtime/evaluate-CommandLineAPI-expected.txt
    M LayoutTests/inspector/runtime/evaluate-CommandLineAPI.html
    A LayoutTests/inspector/runtime/repl-redeclaration-expected.txt
    A LayoutTests/inspector/runtime/repl-redeclaration.html
    M Source/JavaScriptCore/inspector/JSInjectedScriptHost.cpp
    M Source/JavaScriptCore/jsc.cpp
    M Source/JavaScriptCore/runtime/ProgramExecutable.cpp
    M Source/JavaScriptCore/runtime/VM.h

  Log Message:
  -----------
  Web Inspector: Allow redefinition of let and const in REPL
https://bugs.webkit.org/show_bug.cgi?id=285757
<rdar://problem/143140659>

Reviewed by Keith Miller.

* Source/JavaScriptCore/runtime/VM.h:
(JSC::VM::setAllowRedeclaringSymbols): Added.
(JSC::VM::allowRedeclaringSymbols const): Added.
* Source/JavaScriptCore/runtime/ProgramExecutable.cpp:
(JSC::ProgramExecutable::initializeGlobalProperties):
* Source/JavaScriptCore/inspector/JSInjectedScriptHost.cpp:
(Inspector::JSInjectedScriptHost::evaluateWithScopeExtension):

* Source/JavaScriptCore/jsc.cpp:
(runInteractive):
Drive-by: also add this for `jsc`.

* LayoutTests/inspector/runtime/evaluate-CommandLineAPI.html:
* LayoutTests/inspector/runtime/evaluate-CommandLineAPI-expected.txt:
* LayoutTests/inspector/runtime/repl-redeclaration.html: Added.
* LayoutTests/inspector/runtime/repl-redeclaration-expected.txt: Added.

Canonical link: https://commits.webkit.org/316523@main



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