1 files changed, 4 insertions, 6 deletions
diff --git a/include/clang/Lex/HeaderMap.h b/include/clang/Lex/HeaderMap.h
index 8e78b5a..993c861 100644
--- a/include/clang/Lex/HeaderMap.h
+++ b/include/clang/Lex/HeaderMap.h
@@ -16,6 +16,7 @@
 
 #include "clang/Basic/LLVM.h"
 #include "llvm/Support/Compiler.h"
+#include <memory>
 
 namespace llvm {
   class MemoryBuffer;
@@ -34,15 +35,12 @@ class HeaderMap {
   HeaderMap(const HeaderMap &) LLVM_DELETED_FUNCTION;
   void operator=(const HeaderMap &) LLVM_DELETED_FUNCTION;
 
-  const llvm::MemoryBuffer *FileBuffer;
+  std::unique_ptr<const llvm::MemoryBuffer> FileBuffer;
   bool NeedsBSwap;
 
-  HeaderMap(const llvm::MemoryBuffer *File, bool BSwap)
-    : FileBuffer(File), NeedsBSwap(BSwap) {
-  }
+  HeaderMap(std::unique_ptr<const llvm::MemoryBuffer> File, bool BSwap)
+      : FileBuffer(std::move(File)), NeedsBSwap(BSwap) {}
 public:
-  ~HeaderMap();
-
   /// HeaderMap::Create - This attempts to load the specified file as a header
   /// map.  If it doesn't look like a HeaderMap, it gives up and returns null.
   static const HeaderMap *Create(const FileEntry *FE, FileManager &FM);