From a6430cfe4830787f366e6b46744d8327d659968c Mon Sep 17 00:00:00 2001
From: Argyrios Kyrtzidis <akyrtzi@gmail.com>
Date: Tue, 3 Aug 2010 17:30:01 +0000
Subject: [PATCH] Introduce getMostRecentDeclaration() and
 getFirstDeclaration() for RedeclarableTemplateDecl.

llvm-svn: 110124
---
 clang/include/clang/AST/DeclTemplate.h | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/clang/include/clang/AST/DeclTemplate.h b/clang/include/clang/AST/DeclTemplate.h
index 246a06f9633c..ff5f9f1314c8 100644
--- a/clang/include/clang/AST/DeclTemplate.h
+++ b/clang/include/clang/AST/DeclTemplate.h
@@ -613,6 +613,32 @@ public:
       const_cast<RedeclarableTemplateDecl*>(this)->getPreviousDeclaration();
   }
 
+  /// \brief Retrieve the first declaration of this template, or itself
+  /// if this the first one.
+  RedeclarableTemplateDecl *getFirstDeclaration() {
+    return getCanonicalDecl();
+  }
+
+  /// \brief Retrieve the first declaration of this template, or itself
+  /// if this the first one.
+  const RedeclarableTemplateDecl *getFirstDeclaration() const {
+    return
+      const_cast<RedeclarableTemplateDecl*>(this)->getFirstDeclaration();
+  }
+
+  /// \brief Retrieve the most recent declaration of this template, or itself
+  /// if this the most recent one.
+  RedeclarableTemplateDecl *getMostRecentDeclaration() {
+    return getCommonPtr()->Latest;
+  }
+
+  /// \brief Retrieve the most recent declaration of this template, or itself
+  /// if this the most recent one.
+  const RedeclarableTemplateDecl *getMostRecentDeclaration() const {
+    return
+      const_cast<RedeclarableTemplateDecl*>(this)->getMostRecentDeclaration();
+  }
+
   /// \brief Determines whether this template was a specialization of a 
   /// member template.
   ///