Add DeclContext::Equals to compare declaration contexts based on their primary context. Use this instead of pointer comparisons

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@80690 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 0 deletions

diff --git a/include/clang/AST/DeclBase.h b/include/clang/AST/DeclBase.h
index dcd2482eb3..6e04e55312 100644
--- a/include/clang/AST/DeclBase.h
+++ b/include/clang/AST/DeclBase.h
@@ -617,6 +617,12 @@ public:
   /// inline namespaces.
   bool isTransparentContext() const;
 
+  /// \brief Determine whether this declaration context is equivalent
+  /// to the declaration context DC.
+  bool Equals(DeclContext *DC) {
+    return this->getPrimaryContext() == DC->getPrimaryContext();
+  }
+  
   /// \brief Determine whether this declaration context encloses the
   /// declaration context DC.
   bool Encloses(DeclContext *DC);