diff --git a/clang/lib/Basic/FileManager.cpp b/clang/lib/Basic/FileManager.cpp
index c46e2c7..1a636ae 100644
--- a/clang/lib/Basic/FileManager.cpp
+++ b/clang/lib/Basic/FileManager.cpp
@@ -19,6 +19,7 @@
 
 #include "clang/Basic/FileManager.h"
 #include "clang/Basic/FileSystemStatCache.h"
+#include "clang/Frontend/PCHContainerOperations.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/Config/llvm-config.h"
 #include "llvm/Support/FileSystem.h"
@@ -585,3 +586,5 @@
 
   //llvm::errs() << PagesMapped << BytesOfPagesMapped << FSLookups;
 }
+
+PCHContainerOperations::~PCHContainerOperations() {}