1 files changed, 6 insertions, 0 deletions
diff --git a/clang/lib/Basic/Diagnostic.cpp b/clang/lib/Basic/Diagnostic.cpp
index 9428b218e54..a25a790352e 100644
--- a/clang/lib/Basic/Diagnostic.cpp
+++ b/clang/lib/Basic/Diagnostic.cpp
@@ -12,6 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/IdentifierTable.h"
 #include "clang/Basic/SourceLocation.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringExtras.h"
@@ -292,6 +293,11 @@ FormatDiagnostic(llvm::SmallVectorImpl<char> &OutStr) const {
         OutStr.append(S.begin(), S.end());
         break;
       }
+      case DiagnosticInfo::ak_identifierinfo: {
+        const IdentifierInfo *II = getArgIdentifier(StrNo);
+        OutStr.append(II->getName(), II->getName() + II->getLength());
+        break;
+      }
       }
       DiagStr += 2;
     }