f45dbe5bac
When dropping the data, we originally only checked the size of an individual item instead of the size of the allocation. However with a capacity of 0, we attempt to deallocate a pointer which was not the result of allocation. That is, an item of `Layout { size_: 8, align_: 8 }` produces an array of `Layout { size_: 0, align_: 8 }` when `capacity = 0`.
Fixes #2294
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| .. | ||
| blob_vec.rs | ||
| mod.rs | ||
| sparse_set.rs | ||
| table.rs | ||