1 // { dg-do compile { target c++11 } }
2 
3 int a;
4 void b(__attribute__((c([](int *) {} (a == (0 = auto))))));  // { dg-error "6:variable or field .b. declared void" }
5 // { dg-error "expected" "" { target c++11 } .-1 }
6