// RUN: %clang_cc1 -fsyntax-only -pedantic -std=c++11 -verify -triple x86_64-apple-darwin %s enum E {}; struct Z {}; typedef int Integer; struct X { enum E : 1; enum E : Z; // expected-error{{invalid underlying type}} enum E2 : int; enum E3 : Integer; }; struct Y { enum E : int(2); enum E : Z(); // expected-error{{integral constant expression must have integral or unscoped enumeration type, not 'Z'}} };