// RUN: %clang_cc1 -fsyntax-only -Wunused-variable -verify %s struct __attribute__((warn_unused)) Test { Test(); ~Test(); void use(); }; struct TestNormal { TestNormal(); }; int main(void) { Test unused; // expected-warning {{unused variable 'unused'}} Test used; TestNormal normal; used.use(); int i __attribute__((warn_unused)) = 12; // expected-warning {{'warn_unused' attribute only applies to structs, unions, and classes}} return i; }