1 files changed, 3 insertions, 2 deletions
diff --git a/clang/lib/AST/DeclBase.cpp b/clang/lib/AST/DeclBase.cpp
index 1e15ee9..42f0ba0 100644
--- a/clang/lib/AST/DeclBase.cpp
+++ b/clang/lib/AST/DeclBase.cpp
@@ -315,11 +315,12 @@ bool Decl::isLexicallyWithinFunctionOrMethod() const {
 }
 
 bool Decl::isInAnonymousNamespace() const {
-  for (const DeclContext *DC = getDeclContext(); DC; DC = DC->getParent()) {
+  const DeclContext *DC = getDeclContext();
+  do {
     if (const NamespaceDecl *ND = dyn_cast<NamespaceDecl>(DC))
       if (ND->isAnonymousNamespace())
         return true;
-  }
+  } while ((DC = DC->getParent()));
 
   return false;
 }