[llvm] LangRef: getelementptr: inbounds is about the object the pointer is 'based on' (PR #95650)

[Ralf Jung via llvm-commits]

RalfJung wrote:

The current ptrtoint/inttoptr semantics are completely incoherent anyway, as shown by issues such as https://github.com/llvm/llvm-project/issues/33896 and https://github.com/llvm/llvm-project/issues/34577.

https://github.com/llvm/llvm-project/pull/95650