1 files changed, 5 insertions, 1 deletions
diff --git a/lib/AST/DeclBase.cpp b/lib/AST/DeclBase.cpp
index a4daea2287..4c31bbd3d7 100644
--- a/lib/AST/DeclBase.cpp
+++ b/lib/AST/DeclBase.cpp
@@ -640,7 +640,11 @@ void Decl::CheckAccessDeclContext() const {
 }
 
 DeclContext *Decl::getNonClosureContext() {
-  DeclContext *DC = getDeclContext();
+  return getDeclContext()->getNonClosureAncestor();
+}
+
+DeclContext *DeclContext::getNonClosureAncestor() {
+  DeclContext *DC = this;
 
   // This is basically "while (DC->isClosure()) DC = DC->getParent();"
   // except that it's significantly more efficient to cast to a known