// RUN: %clang_cc1 -fsyntax-only -pedantic -verify %s #if !__has_feature(objc_fixed_enum) # error Enumerations with a fixed underlying type are not supported #endif typedef long Integer; typedef enum : Integer { Enumerator1, Enumerator2 } Enumeration; int array[sizeof(Enumeration) == sizeof(long)? 1 : -1]; enum Color { Red, Green, Blue }; struct X { enum Color : 4; enum Color field1: 4; enum Other : Integer field2; enum Other : Integer field3 : 4; enum : Integer { Blah, Blarg } field4 : 4; }; void test() { long value = 2; Enumeration e = value; } // typedef enum : long { Foo } IntegerEnum; int arr[(sizeof(__typeof__(Foo)) == sizeof(__typeof__(IntegerEnum)))? 1 : -1]; int arr1[(sizeof(__typeof__(Foo)) == sizeof(__typeof__(long)))? 1 : -1]; int arr2[(sizeof(__typeof__(IntegerEnum)) == sizeof(__typeof__(long)))? 1 : -1]; // typedef enum : long long { Bar = -1 } LongLongEnum; int arr3[(long long)Bar == (long long)-1 ? 1 : -1]; typedef enum : Integer { BaseElem } BaseEnum; typedef enum : BaseEnum { DerivedElem } DerivedEnum; // expected-error {{non-integral type 'BaseEnum' is an invalid underlying type}} // enum MyEnum : _Bool { MyThing = 0 };