[clang] [clang][bytecode] Try to load from pointers in `ToLValue` mode (PR #196548)

[Eli Friedman via cfe-commits]

https://github.com/efriedma-quic commented:

Is this really what we want to do here?  It seems dubious to try to load from a pointer, then just return the pointer itself if the load fails.

https://github.com/llvm/llvm-project/pull/196548