Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 44cba41d8eefec87ab3f84e1d5e3a88c7fda06b4
      
https://github.com/WebKit/WebKit/commit/44cba41d8eefec87ab3f84e1d5e3a88c7fda06b4
  Author: Sosuke Suzuki <[email protected]>
  Date:   2026-02-08 (Sun, 08 Feb 2026)

  Changed paths:
    M Source/JavaScriptCore/dfg/DFGByteCodeParser.cpp
    M Source/JavaScriptCore/dfg/DFGObjectAllocationSinkingPhase.cpp
    M Source/JavaScriptCore/dfg/DFGOperations.cpp
    M Source/JavaScriptCore/dfg/DFGOperations.h
    M Source/JavaScriptCore/dfg/DFGSpeculativeJIT.cpp
    M Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp
    M Source/JavaScriptCore/ftl/FTLOperations.cpp
    M Source/JavaScriptCore/runtime/Intrinsic.h
    M Source/JavaScriptCore/runtime/JSStringIterator.cpp
    M Source/JavaScriptCore/runtime/JSStringIterator.h
    M Source/JavaScriptCore/runtime/StringPrototype.cpp

  Log Message:
  -----------
  [JSC] Handle `String#@@iterator` as `NewInternalFieldObject` in DFG/FTL
https://bugs.webkit.org/show_bug.cgi?id=307060

Reviewed by Yusuke Suzuki.

This patch changes to handle `String#@@iterator` as `NewInternalFieldObject` in 
DFG/FTL.

* Source/JavaScriptCore/dfg/DFGByteCodeParser.cpp:
(JSC::DFG::ByteCodeParser::handleIntrinsicCall):
* Source/JavaScriptCore/dfg/DFGObjectAllocationSinkingPhase.cpp:
* Source/JavaScriptCore/dfg/DFGOperations.cpp:
(JSC::DFG::JSC_DEFINE_JIT_OPERATION):
* Source/JavaScriptCore/dfg/DFGOperations.h:
* Source/JavaScriptCore/dfg/DFGSpeculativeJIT.cpp:
* Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp:
(JSC::FTL::DFG::LowerDFGToB3::compileNewInternalFieldObject):
(JSC::FTL::DFG::LowerDFGToB3::compileCompareStrictEq):
* Source/JavaScriptCore/runtime/Intrinsic.h:
* Source/JavaScriptCore/runtime/JSStringIterator.cpp:
(JSC::JSStringIterator::createWithInitialValues):
(JSC::JSStringIterator::finishCreation):
* Source/JavaScriptCore/runtime/JSStringIterator.h:
* Source/JavaScriptCore/runtime/StringPrototype.cpp:
(JSC::StringPrototype::finishCreation):

Canonical link: https://commits.webkit.org/307052@main



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