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83e0e23f8a
#13666 introduced a footgun when using `toOwnedSlice` with `errdefer array_list.deinit()`, since `toOwnedSlice` could retain capacity if `resize` failed, meaning it would leak without `deinit` being called. This meant that the only correct way to use `toOwnedSlice` was with `defer` instead of `errdefer` to ensure that the ArrayList would get cleaned up. Now, toOwnedSlice will now behave similarly to how it did before #13666, in that it will always clear the ArrayList's capacity if the resize/realloc succeeds. This also reverts commit 05890a12f532ba9d58904a14381ec174b9efe473, which was contingent on the modified toOwnedSlice behavior. Closes #13946