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diff --git a/contrib/llvm/tools/clang/lib/Index/EntityImpl.h b/contrib/llvm/tools/clang/lib/Index/EntityImpl.h
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+++ b/contrib/llvm/tools/clang/lib/Index/EntityImpl.h
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+//===--- EntityImpl.h - Internal Entity implementation---------*- C++ -*-=====//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//  Internal implementation for the Entity class
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_INDEX_ENTITYIMPL_H
+#define LLVM_CLANG_INDEX_ENTITYIMPL_H
+
+#include "clang/Index/Entity.h"
+#include "clang/AST/DeclarationName.h"
+#include "llvm/ADT/FoldingSet.h"
+#include "llvm/ADT/StringSet.h"
+
+namespace clang {
+
+namespace idx {
+  class ProgramImpl;
+
+class EntityImpl : public llvm::FoldingSetNode {
+  Entity Parent;
+  DeclarationName Name;
+
+  /// \brief Identifier namespace.
+  unsigned IdNS;
+
+  /// \brief If Name is a selector, this keeps track whether it's for an
+  /// instance method.
+  bool IsObjCInstanceMethod;
+
+public:
+  EntityImpl(Entity parent, DeclarationName name, unsigned idNS,
+             bool isObjCInstanceMethod)
+    : Parent(parent), Name(name), IdNS(idNS),
+      IsObjCInstanceMethod(isObjCInstanceMethod) { }
+
+  /// \brief Find the Decl that can be referred to by this entity.
+  Decl *getDecl(ASTContext &AST);
+
+  /// \brief Get an Entity associated with the given Decl.
+  /// \returns Null if an Entity cannot refer to this Decl.
+  static Entity get(Decl *D, Program &Prog, ProgramImpl &ProgImpl);
+
+  std::string getPrintableName();
+
+  void Profile(llvm::FoldingSetNodeID &ID) const {
+    Profile(ID, Parent, Name, IdNS, IsObjCInstanceMethod);
+  }
+  static void Profile(llvm::FoldingSetNodeID &ID, Entity Parent,
+                      DeclarationName Name, unsigned IdNS,
+                      bool isObjCInstanceMethod) {
+    ID.AddPointer(Parent.getAsOpaquePtr());
+    ID.AddPointer(Name.getAsOpaquePtr());
+    ID.AddInteger(IdNS);
+    ID.AddBoolean(isObjCInstanceMethod);
+  }
+};
+
+} // namespace idx
+
+} // namespace clang
+
+#endif