Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: c27dcacfd5d293f12856b13b45f5c181dfa13101
      
https://github.com/WebKit/WebKit/commit/c27dcacfd5d293f12856b13b45f5c181dfa13101
  Author: Keith Miller <[email protected]>
  Date:   2025-02-20 (Thu, 20 Feb 2025)

  Changed paths:
    M Source/JavaScriptCore/heap/CompleteSubspace.cpp
    M Source/JavaScriptCore/heap/Heap.cpp
    M Source/JavaScriptCore/heap/IsoSubspace.cpp
    M Source/JavaScriptCore/heap/IsoSubspace.h
    M Source/JavaScriptCore/heap/LocalAllocator.cpp
    M Source/JavaScriptCore/heap/PreciseSubspace.cpp
    M Source/JavaScriptCore/heap/Subspace.cpp
    M Source/JavaScriptCore/heap/Subspace.h
    M Source/JavaScriptCore/runtime/JSCell.h

  Log Message:
  -----------
  Remove IsoSubspace preciseOnly support
https://bugs.webkit.org/show_bug.cgi?id=288101
rdar://145220913

Reviewed by Yusuke Suzuki.

It's no longer used and subsumed by PreciseSubspace. Also, add a SubspaceKind 
enum
rather than have a bunch of bools.

* Source/JavaScriptCore/heap/CompleteSubspace.cpp:
(JSC::CompleteSubspace::CompleteSubspace):
* Source/JavaScriptCore/heap/Heap.cpp:
* Source/JavaScriptCore/heap/IsoSubspace.cpp:
(JSC::IsoSubspace::IsoSubspace):
(JSC::IsoSubspace::tryAllocateLowerTierPrecise):
(JSC::IsoSubspace::sweepLowerTierPreciseCell):
(JSC::IsoSubspace::tryAllocatePreciseOrLowerTierPrecise): Deleted.
* Source/JavaScriptCore/heap/IsoSubspace.h:
* Source/JavaScriptCore/heap/LocalAllocator.cpp:
(JSC::LocalAllocator::allocateSlowCase):
* Source/JavaScriptCore/heap/PreciseSubspace.cpp:
(JSC::PreciseSubspace::PreciseSubspace):
* Source/JavaScriptCore/heap/Subspace.cpp:
(JSC::Subspace::Subspace):
* Source/JavaScriptCore/heap/Subspace.h:
(JSC::Subspace::kind const):
(JSC::Subspace::isIsoSubspace const):
(JSC::Subspace::isPreciseOnly const):
* Source/JavaScriptCore/runtime/JSCell.h:

Canonical link: https://commits.webkit.org/290743@main



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