From c896ad064fd6ee73a7e0536d94df77b2cc7313b6 Mon Sep 17 00:00:00 2001
From: Douglas Gregor <dgregor@apple.com>
Date: Wed, 14 Dec 2011 21:44:45 +0000
Subject: [PATCH] Introduce Decl::isSameEntityAs(), to help compare
 declarations using their canonical Decl nodes. Not used yet, but it will be.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146591 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/clang/AST/DeclBase.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/clang/AST/DeclBase.h b/include/clang/AST/DeclBase.h
index ab36054969b..20f46a41720 100644
--- a/include/clang/AST/DeclBase.h
+++ b/include/clang/AST/DeclBase.h
@@ -590,6 +590,12 @@ public:
   /// \brief Whether this particular Decl is a canonical one.
   bool isCanonicalDecl() const { return getCanonicalDecl() == this; }
 
+  /// \brief Determine whether this declaration declares the same entity as
+  /// the other declaration.
+  bool isSameEntityAs(const Decl *Other) const {
+    return getCanonicalDecl() == Other->getCanonicalDecl();
+  }
+  
 protected:
   /// \brief Returns the next redeclaration or itself if this is the only decl.
   ///
-- 
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