[libcxx-commits] [libcxx] [libc++] Add an ABI setting to harden unique_ptr<T[]>::operator[] (PR #91798)

[Eli Friedman via libcxx-commits]

efriedma-quic wrote:

> I actually think the compiler knows the size of the allocation cause it encodes it at the front of the allocation

Only when the element type has a non-trivial destructor.

https://github.com/llvm/llvm-project/pull/91798