1 files changed, 4 insertions, 0 deletions
diff --git a/include/clang/Basic/LLVM.h b/include/clang/Basic/LLVM.h
index f32ab5e11bd4a..e60284d1b4459 100644
--- a/include/clang/Basic/LLVM.h
+++ b/include/clang/Basic/LLVM.h
@@ -35,6 +35,7 @@ namespace llvm {
   template<typename T, unsigned N> class SmallVector;
   template<typename T> class SmallVectorImpl;
   template<typename T> class Optional;
+  template <class T> class Expected;
 
   template<typename T>
   struct SaveAndRestore;
@@ -71,6 +72,9 @@ namespace clang {
   using llvm::SmallVectorImpl;
   using llvm::SaveAndRestore;
 
+  // Error handling.
+  using llvm::Expected;
+
   // Reference counting.
   using llvm::IntrusiveRefCntPtr;
   using llvm::IntrusiveRefCntPtrInfo;