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diff --git a/contrib/llvm-project/clang/include/clang/Basic/TemplateKinds.h b/contrib/llvm-project/clang/include/clang/Basic/TemplateKinds.h
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+//===--- TemplateKinds.h - Enum values for C++ Template Kinds ---*- 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
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// Defines the clang::TemplateNameKind enum.
+///
+//===----------------------------------------------------------------------===//
+#ifndef LLVM_CLANG_BASIC_TEMPLATEKINDS_H
+#define LLVM_CLANG_BASIC_TEMPLATEKINDS_H
+
+namespace clang {
+
+/// Specifies the kind of template name that an identifier refers to.
+/// Be careful when changing this: this enumeration is used in diagnostics.
+enum TemplateNameKind {
+  /// The name does not refer to a template.
+  TNK_Non_template = 0,
+  /// The name refers to a function template or a set of overloaded
+  /// functions that includes at least one function template, or (in C++20)
+  /// refers to a set of non-template functions but is followed by a '<'.
+  TNK_Function_template,
+  /// The name refers to a template whose specialization produces a
+  /// type. The template itself could be a class template, template
+  /// template parameter, or template alias.
+  TNK_Type_template,
+  /// The name refers to a variable template whose specialization produces a
+  /// variable.
+  TNK_Var_template,
+  /// The name refers to a dependent template name:
+  /// \code
+  /// template<typename MetaFun, typename T1, typename T2> struct apply2 {
+  ///   typedef typename MetaFun::template apply<T1, T2>::type type;
+  /// };
+  /// \endcode
+  ///
+  /// Here, "apply" is a dependent template name within the typename
+  /// specifier in the typedef. "apply" is a nested template, and
+  /// whether the template name is assumed to refer to a type template or a
+  /// function template depends on the context in which the template
+  /// name occurs.
+  TNK_Dependent_template_name,
+  /// Lookup for the name failed, but we're assuming it was a template name
+  /// anyway. In C++20, this is mandatory in order to parse ADL-only function
+  /// template specialization calls.
+  TNK_Undeclared_template,
+  /// The name refers to a concept.
+  TNK_Concept_template,
+};
+
+}
+#endif