1 // RUN: %clang_cc1 -std=c++11 -verify %s
2 
3 union U {
4   int x = 0; // expected-note {{previous initialization is here}}
5   union {}; // expected-warning {{does not declare anything}}
6   union {
7     int z;
8     int y = 1; // expected-error {{initializing multiple members of union}}
9   };
10 };
11