arena: speed up TypedArena::clear and improve common patterns #56378
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Comments addressed. |
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arena: speed up TypedArena::clear and improve common patterns - speed up `TypedArena::clear`: improves its performance by up to **33%** (in case of a single entry) - simplify `DroplessArena::in_arena`
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☀️ Test successful - status-appveyor, status-travis |
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TypedArena::clear: improves its performance by up to 33% (in case of a single entry)DroplessArena::in_arena