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// RUN: %clang_cc1 -fsyntax-only -verify %s
namespace N {
struct Outer {
struct Inner {
template<typename T>
struct InnerTemplate {
struct VeryInner {
typedef T type;
static enum K1 { K1Val = sizeof(T) } Kind1;
static enum { K2Val = sizeof(T)*2 } Kind2;
enum { K3Val = sizeof(T)*2 } Kind3;
void foo() {
K1 k1 = K1Val;
Kind1 = K1Val;
Outer::Inner::InnerTemplate<type>::VeryInner::Kind2 = K2Val;
Kind3 = K3Val;
}
struct UeberInner {
void bar() {
K1 k1 = K1Val;
Kind1 = K1Val;
Outer::Inner::InnerTemplate<type>::VeryInner::Kind2 = K2Val;
InnerTemplate t;
InnerTemplate<type> t2;
}
};
};
};
};
};
}
typedef int INT;
template struct N::Outer::Inner::InnerTemplate<INT>::VeryInner;
template struct N::Outer::Inner::InnerTemplate<INT>::UeberInner; // expected-error{{no struct named 'UeberInner' in 'N::Outer::Inner::InnerTemplate<int>'}}
namespace N2 {
struct Outer2 {
template<typename T, typename U = T>
struct Inner {
void foo() {
enum { K1Val = sizeof(T) } k1;
enum K2 { K2Val = sizeof(T)*2 } k2a;
K2 k2b = K2Val;
struct S { T x, y; } s1;
struct { U x, y; } s2;
s1.x = s2.x; // expected-error{{incompatible}}
typedef T type;
type t2 = s1.x;
typedef struct { T z; } type2;
type2 t3 = { s1.x };
Inner i1;
i1.foo();
Inner<T> i2;
i2.foo();
}
};
};
}
template struct N2::Outer2::Inner<float>;
template struct N2::Outer2::Inner<int*, float*>; // expected-note{{instantiation}}
// Test dependent pointer-to-member expressions.
template<typename T>
struct smart_ptr {
struct safe_bool {
int member;
};
operator int safe_bool::*() const {
return ptr? &safe_bool::member : 0;
}
T* ptr;
};
void test_smart_ptr(smart_ptr<int> p) {
if (p) { }
}
// PR5517
namespace test0 {
template <int K> struct X {
X() { extern void x(); }
};
void g() { X<2>(); }
}
// <rdar://problem/8302161>
namespace test1 {
template <typename T> void f(T const &t) {
union { char c; T t_; };
c = 'a'; // <- this shouldn't silently fail to instantiate
T::foo(); // expected-error {{has no members}}
}
template void f(int const &); // expected-note {{requested here}}
}
namespace test2 {
template<typename T> void f() {
T::error; // expected-error {{no member}}
}
void g() {
// This counts as an odr-use, so should trigger the instantiation of f<int>.
(void)&f<int>; // expected-note {{here}}
}
}
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