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diff --git a/include/clang/Basic/SourceManagerInternals.h b/include/clang/Basic/SourceManagerInternals.h
deleted file mode 100644
index 27dea9f..0000000
--- a/include/clang/Basic/SourceManagerInternals.h
+++ /dev/null
@@ -1,128 +0,0 @@
-//===--- SourceManagerInternals.h - SourceManager Internals -----*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-///
-/// \file
-/// \brief Defines implementation details of the clang::SourceManager class.
-///
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CLANG_BASIC_SOURCEMANAGERINTERNALS_H
-#define LLVM_CLANG_BASIC_SOURCEMANAGERINTERNALS_H
-
-#include "clang/Basic/SourceLocation.h"
-#include "clang/Basic/SourceManager.h"
-#include "llvm/ADT/StringMap.h"
-#include <map>
-
-namespace clang {
-
-//===----------------------------------------------------------------------===//
-// Line Table Implementation
-//===----------------------------------------------------------------------===//
-
-struct LineEntry {
-  /// \brief The offset in this file that the line entry occurs at.
-  unsigned FileOffset;
-
-  /// \brief The presumed line number of this line entry: \#line 4.
-  unsigned LineNo;
-
-  /// \brief The ID of the filename identified by this line entry:
-  /// \#line 4 "foo.c".  This is -1 if not specified.
-  int FilenameID;
-
-  /// \brief Set the 0 if no flags, 1 if a system header,
-  SrcMgr::CharacteristicKind FileKind;
-
-  /// \brief The offset of the virtual include stack location,
-  /// which is manipulated by GNU linemarker directives.
-  ///
-  /// If this is 0 then there is no virtual \#includer.
-  unsigned IncludeOffset;
-
-  static LineEntry get(unsigned Offs, unsigned Line, int Filename,
-                       SrcMgr::CharacteristicKind FileKind,
-                       unsigned IncludeOffset) {
-    LineEntry E;
-    E.FileOffset = Offs;
-    E.LineNo = Line;
-    E.FilenameID = Filename;
-    E.FileKind = FileKind;
-    E.IncludeOffset = IncludeOffset;
-    return E;
-  }
-};
-
-// needed for FindNearestLineEntry (upper_bound of LineEntry)
-inline bool operator<(const LineEntry &lhs, const LineEntry &rhs) {
-  // FIXME: should check the other field?
-  return lhs.FileOffset < rhs.FileOffset;
-}
-
-inline bool operator<(const LineEntry &E, unsigned Offset) {
-  return E.FileOffset < Offset;
-}
-
-inline bool operator<(unsigned Offset, const LineEntry &E) {
-  return Offset < E.FileOffset;
-}
-
-/// \brief Used to hold and unique data used to represent \#line information.
-class LineTableInfo {
-  /// \brief Map used to assign unique IDs to filenames in \#line directives. 
-  ///
-  /// This allows us to unique the filenames that
-  /// frequently reoccur and reference them with indices.  FilenameIDs holds
-  /// the mapping from string -> ID, and FilenamesByID holds the mapping of ID
-  /// to string.
-  llvm::StringMap<unsigned, llvm::BumpPtrAllocator> FilenameIDs;
-  std::vector<llvm::StringMapEntry<unsigned>*> FilenamesByID;
-
-  /// \brief Map from FileIDs to a list of line entries (sorted by the offset
-  /// at which they occur in the file).
-  std::map<FileID, std::vector<LineEntry> > LineEntries;
-public:
-  void clear() {
-    FilenameIDs.clear();
-    FilenamesByID.clear();
-    LineEntries.clear();
-  }
-
-  unsigned getLineTableFilenameID(StringRef Str);
-  const char *getFilename(unsigned ID) const {
-    assert(ID < FilenamesByID.size() && "Invalid FilenameID");
-    return FilenamesByID[ID]->getKeyData();
-  }
-  unsigned getNumFilenames() const { return FilenamesByID.size(); }
-
-  void AddLineNote(FileID FID, unsigned Offset,
-                   unsigned LineNo, int FilenameID);
-  void AddLineNote(FileID FID, unsigned Offset,
-                   unsigned LineNo, int FilenameID,
-                   unsigned EntryExit, SrcMgr::CharacteristicKind FileKind);
-
-
-  /// \brief Find the line entry nearest to FID that is before it.
-  ///
-  /// If there is no line entry before \p Offset in \p FID, returns null.
-  const LineEntry *FindNearestLineEntry(FileID FID, unsigned Offset);
-
-  // Low-level access
-  typedef std::map<FileID, std::vector<LineEntry> >::iterator iterator;
-  iterator begin() { return LineEntries.begin(); }
-  iterator end() { return LineEntries.end(); }
-
-  /// \brief Add a new line entry that has already been encoded into
-  /// the internal representation of the line table.
-  void AddEntry(FileID FID, const std::vector<LineEntry> &Entries);
-};
-
-} // end namespace clang
-
-#endif