1 /*
2 TEST_OUTPUT:
3 ---
4 fail_compilation/enum9921.d(9): Error: enum enum9921.X base type must not be void
5 fail_compilation/enum9921.d(11): Error: enum enum9921.Z base type must not be void
6 ---
7 */
8 
9 enum X : void;
10 
11 enum Z : void { Y };
12