[clang] [Clang-Repl] Sinking RemoteJITUtils into Interpreter class(Refactoring) (PR #155140)

[Vassil Vassilev via cfe-commits]

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@@ -39,6 +45,9 @@ class IncrementalExecutor {
   using CtorDtorIterator = llvm::orc::CtorDtorIterator;
   std::unique_ptr<llvm::orc::LLJIT> Jit;
   llvm::orc::ThreadSafeContext &TSCtx;
+#ifndef _WIN32
+  pid_t OutOfProcessChildPid = -1;
+#endif
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vgvassilev wrote:

```suggestion
  pid_t OutOfProcessChildPid = -1;
```

https://github.com/llvm/llvm-project/pull/155140