Index: lib/AST/DeclPrinter.cpp
===================================================================
--- lib/AST/DeclPrinter.cpp
+++ lib/AST/DeclPrinter.cpp
@@ -438,6 +438,7 @@
 
 void DeclPrinter::VisitEnumConstantDecl(EnumConstantDecl *D) {
   Out << *D;
+  prettyPrintAttributes(D);
   if (Expr *Init = D->getInitExpr()) {
     Out << " = ";
     Init->printPretty(Out, nullptr, Policy, Indentation);
Index: test/Sema/ast-print.c
===================================================================
--- test/Sema/ast-print.c
+++ test/Sema/ast-print.c
@@ -65,3 +65,12 @@
   // CHECK: } z = {(struct Z){}};
   } z = {(struct Z){}};
 }
+
+// CHECK-LABEL: enum EnumWithAttributes {
+enum EnumWithAttributes {
+  // CHECK-NEXT: EnumWithAttributesFoo __attribute__((deprecated(""))),
+  EnumWithAttributesFoo __attribute__((deprecated)),
+  // CHECK-NEXT: EnumWithAttributesBar __attribute__((unavailable(""))) = 50
+  EnumWithAttributesBar __attribute__((unavailable)) = 50
+  // CHECK-NEXT: } __attribute__((deprecated("")))
+} __attribute__((deprecated));