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| // RUN: %clang_cc1 -fsyntax-only -verify %s -Wmissing-noreturn -Wreturn-type
void f() __attribute__((noreturn));
template<typename T> void g(T) {
f();
}
template void g<int>(int);
template<typename T> struct A {
void g() {
f();
}
};
template struct A<int>;
struct B {
template<typename T> void g(T) {
f();
}
};
template void B::g<int>(int);
// We don't want a warning here.
struct X {
virtual void g() { f(); }
};
namespace test1 {
bool condition();
// We don't want a warning here.
void foo() {
while (condition()) {}
}
}
// <rdar://problem/7880658> - This test case previously had a false "missing return"
// warning.
struct R7880658 {
R7880658 &operator++();
bool operator==(const R7880658 &) const;
bool operator!=(const R7880658 &) const;
};
void f_R7880658(R7880658 f, R7880658 l) { // no-warning
for (; f != l; ++f) {
}
}
namespace test2 {
bool g();
void *h() __attribute__((noreturn));
void *j();
struct A {
void *f;
A() : f(0) { }
A(int) : f(h()) { } // expected-warning {{function 'A' could be declared with attribute 'noreturn'}}
A(char) : f(j()) { }
A(bool b) : f(b ? h() : j()) { }
};
}
namespace test3 {
struct A {
~A();
};
struct B {
~B() { }
A a;
};
struct C : A {
~C() { }
};
}
// <rdar://problem/8875247> - Properly handle CFGs with destructors.
struct rdar8875247 {
~rdar8875247 ();
};
void rdar8875247_aux();
int rdar8875247_test() {
rdar8875247 f;
} // expected-warning{{control reaches end of non-void function}}
struct rdar8875247_B {
rdar8875247_B();
~rdar8875247_B();
};
rdar8875247_B test_rdar8875247_B() {
rdar8875247_B f;
return f;
} // no-warning
namespace PR10801 {
struct Foo {
void wibble() __attribute((__noreturn__));
};
struct Bar {
void wibble();
};
template <typename T> void thingy(T thing) {
thing.wibble();
}
void test() {
Foo f;
Bar b;
thingy(f);
thingy(b);
}
}
|