// { dg-do compile } // { dg-options -Wunused } struct __attribute__((warn_unused)) Test { Test(); ~Test(); void use(); }; struct TestNormal { TestNormal(); }; int main() { Test unused; // { dg-warning "unused variable" } Test used; // { dg-bogus "unused variable" } TestNormal normal; // { dg-bogus "unused variable" } used.use(); }