diff --git a/lib/AST/DeclPrinter.cpp b/lib/AST/DeclPrinter.cpp
index a5e1378..f277f1f 100644
--- a/lib/AST/DeclPrinter.cpp
+++ b/lib/AST/DeclPrinter.cpp
@@ -565,6 +565,8 @@
     Out << " = 0";
   else if (D->isDeletedAsWritten())
     Out << " = delete";
+  else if (D->isExplicitlyDefaulted())
+    Out << " = default";
   else if (D->doesThisDeclarationHaveABody() && !Policy.TerseOutput) {
     if (!D->hasPrototype() && D->getNumParams()) {
       // This is a K&R function definition, so we need to print the