It's not just per-object. When you consider things like `restrict` pointers in C, and the aliasing model in Rust (e.g. Stacked Borrows), you have provenance dis

It's not just per-object. When you consider things like `restrict` pointers in C, and the aliasing model in Rust (e.g. Stacked Borrows), you have provenance distinctions even within a single allocated object.