[clang] [clang-repl] Add a interpreter-specific overload of operator new for C++ (PR #76218)

[Vitaly Buka via cfe-commits]

vitalybuka wrote:

@vgvassilev  I end up with suppression, please check, when you have time, if this can be done better way, or just remove FIXME.

https://github.com/llvm/llvm-project/pull/76218