Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: cd68efecfe6b9bfbf57ae08ae83710679ed9aae7
      
https://github.com/WebKit/WebKit/commit/cd68efecfe6b9bfbf57ae08ae83710679ed9aae7
  Author: Geoffrey Garen <[email protected]>
  Date:   2025-12-10 (Wed, 10 Dec 2025)

  Changed paths:
    M Source/WTF/wtf/HashTable.h
    M Source/WTF/wtf/ListHashSet.h
    M Source/WTF/wtf/RobinHoodHashTable.h
    M Source/WTF/wtf/WeakHashMap.h
    M Source/WTF/wtf/WeakHashSet.h
    M Source/WTF/wtf/WeakListHashSet.h
    M Tools/TestWebKitAPI/Tests/WTF/HashMap.cpp
    M Tools/TestWebKitAPI/Tests/WTF/HashSet.cpp
    M Tools/TestWebKitAPI/Tests/WTF/ListHashSet.cpp

  Log Message:
  -----------
  Push logic for skipping weak null when iterating down into HashTable
https://bugs.webkit.org/show_bug.cgi?id=303882
<rdar://problem/166176904>

Reviewed by Ryosuke Niwa.

This is the final step toward a more efficient weak pointer.

There's no longer any meaningful difference between
    WeakHashSet<T>      <==>    HashSet<WeakPtr<T>>
    WeakListHashSet<T>  <==>    ListHashSet<WeakPtr<T>>
    WeakHashMap<T, U>   <==>    HashMap<WeakPtr<T>, U>

So it should be easy to start doing
    HashSet<MoreEfficientWeakPtr<T>>
    ListHashSet<MoreEfficientWeakPtr<T>>
    HashMap<MoreEfficientWeakPtr<T>, U>

We should also be able remove the specialty weak table types over time, for
simplicity.

Canonical link: https://commits.webkit.org/304267@main



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