1 files changed, 5 insertions, 0 deletions
diff --git a/clang/lib/AST/DeclBase.cpp b/clang/lib/AST/DeclBase.cpp
index c1fbdb996d3..7b7900640b2 100644
--- a/clang/lib/AST/DeclBase.cpp
+++ b/clang/lib/AST/DeclBase.cpp
@@ -1064,6 +1064,11 @@ bool DeclContext::decls_empty() const {
   return !FirstDecl;
 }
 
+bool DeclContext::containsDecl(Decl *D) const {
+  return (D->getLexicalDeclContext() == this &&
+          (D->NextInContextAndBits.getPointer() || D == LastDecl));
+}
+
 void DeclContext::removeDecl(Decl *D) {
   assert(D->getLexicalDeclContext() == this &&
          "decl being removed from non-lexical context");