[clang] [clang-repl] Simplify the value printing logic to enable out-of-process. (PR #107737)

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git-clang-format --diff b4feb26606de84ff53d9b65a3b79c00a2b4d7c22 9dab439803727470ce07e92a3dc5c46d9bb056b2 --extensions cpp,h -- clang/lib/Interpreter/InterpreterValuePrinter.cpp clang/include/clang/Frontend/MultiplexConsumer.h clang/include/clang/Interpreter/Interpreter.h clang/lib/Frontend/MultiplexConsumer.cpp clang/lib/Interpreter/DeviceOffload.cpp clang/lib/Interpreter/DeviceOffload.h clang/lib/Interpreter/IncrementalExecutor.cpp clang/lib/Interpreter/IncrementalParser.cpp clang/lib/Interpreter/IncrementalParser.h clang/lib/Interpreter/Interpreter.cpp clang/unittests/Interpreter/CodeCompletionTest.cpp clang/unittests/Interpreter/InterpreterExtensionsTest.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/clang/include/clang/Interpreter/Interpreter.h b/clang/include/clang/Interpreter/Interpreter.h
index 9758141715..55e60d28a1 100644
--- a/clang/include/clang/Interpreter/Interpreter.h
+++ b/clang/include/clang/Interpreter/Interpreter.h
@@ -175,7 +175,7 @@ private:
 
   CodeGenerator *getCodeGen() const;
   std::unique_ptr<llvm::Module> GenModule();
-  PartialTranslationUnit & RegisterPTU(TranslationUnitDecl *TU);
+  PartialTranslationUnit &RegisterPTU(TranslationUnitDecl *TU);
 
   // A cache for the compiled destructors used to for de-allocation of managed
   // clang::Values.
diff --git a/clang/lib/Interpreter/Interpreter.cpp b/clang/lib/Interpreter/Interpreter.cpp
index e00cab0d20..808fc9b952 100644
--- a/clang/lib/Interpreter/Interpreter.cpp
+++ b/clang/lib/Interpreter/Interpreter.cpp
@@ -542,7 +542,7 @@ size_t Interpreter::getEffectivePTUSize() const {
   return PTUs.size() - InitPTUSize;
 }
 
-PartialTranslationUnit & Interpreter::RegisterPTU(TranslationUnitDecl *TU) {
+PartialTranslationUnit &Interpreter::RegisterPTU(TranslationUnitDecl *TU) {
   PTUs.emplace_back(PartialTranslationUnit());
   PartialTranslationUnit &LastPTU = PTUs.back();
   LastPTU.TUPart = TU;

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https://github.com/llvm/llvm-project/pull/107737