diff --git a/lib/AST/DeclCXX.cpp b/lib/AST/DeclCXX.cpp
index e900165..9ab44b6 100644
--- a/lib/AST/DeclCXX.cpp
+++ b/lib/AST/DeclCXX.cpp
@@ -624,7 +624,8 @@
 }
 
 CXXConstructorDecl *
-CXXRecordDecl::getDefaultConstructor(ASTContext &Context) {
+CXXRecordDecl::getDefaultConstructor() {
+  ASTContext &Context = getASTContext();
   QualType ClassType = Context.getTypeDeclType(this);
   DeclarationName ConstructorName
     = Context.DeclarationNames.getCXXConstructorName(