[clang] [compiler-rt] [clang-repl] Reimplement value printing using MemoryAccess to support in-process and out-of-process (PR #156649)

[via llvm-commits]

SahilPatidar wrote:

Added `ValueCleanup` to manage destruction of manually allocated objects.
This struct allows attaching destructor logic to `Value` instances.


https://github.com/llvm/llvm-project/pull/156649