1 files changed, 10 insertions, 4 deletions
diff --git a/include/clang/AST/Redeclarable.h b/include/clang/AST/Redeclarable.h
index c2bd6e6fd136..0975773dd2cb 100644
--- a/include/clang/AST/Redeclarable.h
+++ b/include/clang/AST/Redeclarable.h
@@ -1,9 +1,8 @@
 //===- Redeclarable.h - Base for Decls that can be redeclared --*- C++ -*-====//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
@@ -362,6 +361,13 @@ public:
   decl_type &operator*() { return *Ptr; }
   const decl_type &operator*() const { return *Ptr; }
 
+  friend bool operator==(CanonicalDeclPtr LHS, CanonicalDeclPtr RHS) {
+    return LHS.Ptr == RHS.Ptr;
+  }
+  friend bool operator!=(CanonicalDeclPtr LHS, CanonicalDeclPtr RHS) {
+    return LHS.Ptr != RHS.Ptr;
+  }
+
 private:
   friend struct llvm::DenseMapInfo<CanonicalDeclPtr<decl_type>>;