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// RUN: %clang_cc1 -fsyntax-only -verify -Wunused -Wunused-member-function %s
static void f1(); // expected-warning{{unused}}
namespace {
void f2(); // expected-warning{{unused}}
void f3() { } // expected-warning{{unused}}
struct S {
void m1() { } // expected-warning{{unused}}
void m2(); // expected-warning{{unused}}
void m3();
S(const S&);
void operator=(const S&);
};
template <typename T>
struct TS {
void m();
};
template <> void TS<int>::m() { } // expected-warning{{unused}}
template <typename T>
void tf() { }
template <> void tf<int>() { } // expected-warning{{unused}}
struct VS {
virtual void vm() { }
};
struct SVS : public VS {
void vm() { }
};
}
void S::m3() { } // expected-warning{{unused}}
static inline void f4() { }
const unsigned int cx = 0;
static int x1; // expected-warning{{unused}}
namespace {
int x2; // expected-warning{{unused}}
struct S2 {
static int x; // expected-warning{{unused}}
};
template <typename T>
struct TS2 {
static int x;
};
template <> int TS2<int>::x; // expected-warning{{unused}}
}
namespace PR8841 {
// Ensure that friends of class templates are considered to have a dependent
// context and not marked unused.
namespace {
template <typename T> struct X {
friend bool operator==(const X&, const X&) { return false; }
};
}
template <typename T> void template_test(X<T> x) {
(void)(x == x);
}
void test() {
X<int> x;
template_test(x);
}
}
namespace test4 {
namespace { struct A {}; }
void test(A a); // expected-warning {{unused function}}
extern "C" void test4(A a);
}
namespace rdar8733476 {
static void foo() { } // expected-warning {{not needed and will not be emitted}}
template <int>
void bar() {
foo();
}
}
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