1 files changed, 6 insertions, 0 deletions
diff --git a/include/clang/AST/TemplateName.h b/include/clang/AST/TemplateName.h
index aafe96381192..f3de9fa011bc 100644
--- a/include/clang/AST/TemplateName.h
+++ b/include/clang/AST/TemplateName.h
@@ -25,6 +25,7 @@ namespace llvm {
 namespace clang {
 
 class DependentTemplateName;
+class DiagnosticBuilder;
 class IdentifierInfo;
 class NestedNameSpecifier;
 struct PrintingPolicy;
@@ -173,6 +174,11 @@ public:
   }
 };
 
+/// Insertion operator for diagnostics.  This allows sending TemplateName's
+/// into a diagnostic with <<.
+const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB,
+                                    TemplateName N);
+
 /// \brief Represents a template name that was expressed as a
 /// qualified name.
 ///