// PR c++/34267 // { dg-do compile } struct A {}; __decltype (A); // { dg-error "must be an expression" } template struct B { __decltype (A); // { dg-error "must be an expression" } __decltype (~A); // { dg-error "must be an expression" } __decltype (B); // { dg-error "must be an expression" } __decltype (~B); // { dg-error "must be an expression" } };