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@ -444,7 +444,7 @@ end = ptr.offset(len)
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However because `offset` is marked as a GEP inbounds instruction, this will tell
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LLVM that ptr is allocated and won't alias other allocated memory. This is fine
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for zero-sized types, as they can't alias anything. However if we're using
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heap::EMPTY as a sentinel for a non-allocation for a *non-zero-sized* type,
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`heap::EMPTY` as a sentinel for a non-allocation for a *non-zero-sized* type,
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this can cause undefined behaviour. Alas, we must therefore special case either
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cap or len being 0 to not do the offset.
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