Auto merge of #140023 - cjgillot:arena-try-alloc, r=BoxyUwU

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Introduce Arena::try_alloc_from_iter.

`alloc_from_iter` already collects the iterator for reentrancy. So adding an early exit for a fallible iterator integrates naturally into the code. This avoids the other solution to allocate and dump the allocation.

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bors 2025-04-29 21:06:15 +00:00

parent 3342c600d7 33a793418f

commit bd34a6bf0f

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