Add a doxygen comment to UnaryConversion

Author: kuilpd

lldb/include/lldb/ValueObject/DILEval.h

@@ -59,6 +59,8 @@ class Interpreter : Visitor {
   llvm::Expected<lldb::ValueObjectSP>
   Visit(const FloatLiteralNode *node) override;
 
+  /// Perform usual unary conversions on a value. At the moment this
+  /// includes array-to-pointer and integral promotion for eligible types.
   llvm::Expected<lldb::ValueObjectSP>
   UnaryConversion(lldb::ValueObjectSP valobj);
   llvm::Expected<CompilerType>

lldb/source/ValueObject/DILEval.cpp

@@ -55,8 +55,6 @@ ArrayToPointerConversion(ValueObject &valobj, ExecutionContextScope &ctx) {
 
 llvm::Expected<lldb::ValueObjectSP>
 Interpreter::UnaryConversion(lldb::ValueObjectSP valobj) {
-  // Perform usual conversions for unary operators. At the moment this includes
-  // array-to-pointer and the integral promotion for eligible types.
   llvm::Expected<lldb::TypeSystemSP> type_system =
       GetTypeSystemFromCU(m_exe_ctx_scope);
   if (!type_system)