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diff --git a/lldb/include/lldb/Utility/Cloneable.h b/lldb/include/lldb/Utility/Cloneable.h
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+++ b/lldb/include/lldb/Utility/Cloneable.h
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+//===-- Cloneable.h ---------------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLDB_UTILITY_CLONEABLE_H
+#define LLDB_UTILITY_CLONEABLE_H
+
+#include <memory>
+#include <type_traits>
+
+namespace lldb_private {
+
+/// \class Cloneable Cloneable.h "lldb/Utility/Cloneable.h"
+/// A class that implements CRTP-based "virtual constructor" idiom.
+///
+/// Example:
+/// @code
+/// class Base {
+///   using TopmostBase = Base;
+/// public:
+///   virtual std::shared_ptr<Base> Clone() const = 0;
+/// };
+/// @endcode
+///
+/// To define a class derived from the Base with overridden Clone:
+/// @code
+/// class Intermediate : public Cloneable<Intermediate, Base> {};
+/// @endcode
+///
+/// To define a class at the next level of inheritance with overridden Clone:
+/// @code
+/// class Derived : public Cloneable<Derived, Intermediate> {};
+/// @endcode
+
+template <typename Derived, typename Base>
+class Cloneable : public Base {
+public:
+  using Base::Base;
+
+  std::shared_ptr<typename Base::TopmostBase> Clone() const override {
+    // std::is_base_of requires derived type to be complete, that's why class
+    // scope static_assert cannot be used.
+    static_assert(std::is_base_of<Cloneable, Derived>::value,
+                  "Derived class must be derived from this.");
+
+    return std::make_shared<Derived>(static_cast<const Derived &>(*this));
+  }
+};
+
+} // namespace lldb_private
+
+#endif // LLDB_UTILITY_CLONEABLE_H