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

[Vitaly Buka via cfe-commits]

vitalybuka wrote:

Yes, it fixes the leak but on asan bot it's mismatch 

https://lab.llvm.org/buildbot/#/builders/168/builds/18159/steps/10/logs/stdio

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