[backport] Fix rare NullPointerException in some tree-based collections#10640
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`upd` may return a red tree with a red child. Need to use `maybeBlacken` when such a tree is not expected.
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NullPointerException in some tree-based collections (by fixing RedBlackTree.doFrom)
NullPointerException in some tree-based collections (by fixing RedBlackTree.doFrom)NullPointerException in some tree-based collections
hamzaremmal
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May 2, 2025
[backport] Fix RedBlackTree.doFrom / doTo / doUntil
hamzaremmal
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May 7, 2025
[backport] Fix RedBlackTree.doFrom / doTo / doUntil
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...by fixing
RedBlackTree.doFromupdmay return a red tree with a red child. Need to usemaybeBlackenwhen such a tree is not expected.Backport of #10632.