p6.cpp
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// RUN: %clang_cc1 -verify %s -fcxx-exceptions -std=c++1y
namespace N {}
template<typename T, // expected-note {{declared here}}
typename T> struct X {}; // expected-error {{declaration of 'T' shadows template parameter}}
template<typename T> struct Y { // expected-note 18{{declared here}}
template<typename T> struct A {}; // expected-error {{declaration of 'T' shadows template parameter}}
struct B {
template<typename> struct T {}; // expected-error {{declaration of 'T' shadows template parameter}}
};
struct C {
template<typename> void T(); // expected-error {{declaration of 'T' shadows template parameter}}
};
struct D {
struct T {}; // expected-error {{declaration of 'T' shadows template parameter}}
};
struct E {
typedef int T; // expected-error {{declaration of 'T' shadows template parameter}}
};
struct F {
using T = int; // expected-error {{declaration of 'T' shadows template parameter}}
};
struct G {
int T; // expected-error {{declaration of 'T' shadows template parameter}}
};
struct H {
static int T; // expected-error {{declaration of 'T' shadows template parameter}}
};
struct I {
void T(); // expected-error {{declaration of 'T' shadows template parameter}}
};
struct J {
enum T { e }; // expected-error {{declaration of 'T' shadows template parameter}}
};
struct K {
enum E { T }; // expected-error {{declaration of 'T' shadows template parameter}}
};
void a() {
extern int T; // expected-error {{declaration of 'T' shadows template parameter}}
}
void b() {
int T; // expected-error {{declaration of 'T' shadows template parameter}}
}
void c() {
try {}
catch (int T) {} // expected-error {{declaration of 'T' shadows template parameter}}
}
void d() {
void T(); // expected-error {{declaration of 'T' shadows template parameter}}
}
void e() {
namespace T = N; // expected-error {{declaration of 'T' shadows template parameter}}
}
// FIXME: These diagnostics are poorly worded. Lookup for the elaborated type
// specifier finds the template parameter in this case, which is ill-formed
// because it's not a struct.
void f() {
struct T *p; // expected-error {{declaration of 'T' shadows template parameter}}
}
friend struct T; // expected-error {{declaration of 'T' shadows template parameter}}
};
template<int T> struct Z { // expected-note 16{{declared here}}
template<typename T> struct A {}; // expected-error {{declaration of 'T' shadows template parameter}}
struct B {
template<typename> struct T {}; // expected-error {{declaration of 'T' shadows template parameter}}
};
struct C {
template<typename> void T(); // expected-error {{declaration of 'T' shadows template parameter}}
};
struct D {
struct T {}; // expected-error {{declaration of 'T' shadows template parameter}}
};
struct E {
typedef int T; // expected-error {{declaration of 'T' shadows template parameter}}
};
struct F {
using T = int; // expected-error {{declaration of 'T' shadows template parameter}}
};
struct G {
int T; // expected-error {{declaration of 'T' shadows template parameter}}
};
struct H {
static int T; // expected-error {{declaration of 'T' shadows template parameter}}
};
struct I {
void T(); // expected-error {{declaration of 'T' shadows template parameter}}
};
struct J {
enum T { e }; // expected-error {{declaration of 'T' shadows template parameter}}
};
struct K {
enum E { T }; // expected-error {{declaration of 'T' shadows template parameter}}
};
void a() {
extern int T; // expected-error {{declaration of 'T' shadows template parameter}}
}
void b() {
int T; // expected-error {{declaration of 'T' shadows template parameter}}
}
void c() {
try {}
catch (int T) {} // expected-error {{declaration of 'T' shadows template parameter}}
}
void d() {
void T(); // expected-error {{declaration of 'T' shadows template parameter}}
}
void e() {
namespace T = N; // expected-error {{declaration of 'T' shadows template parameter}}
}
// These cases are valid when 'T' is a non-type template parameter, as T
// names an injected struct ::T, which doesn't shadow the template parameter.
void f() {
struct T *p;
}
friend struct T;
};
template<typename T> // expected-note {{declared here}}
void f(int T) {} // expected-error {{declaration of 'T' shadows template parameter}}
// FIXME: These are ill-formed: a template-parameter shall not have the same name as the template name.
namespace A {
template<typename T> struct T {}; // expected-error{{declaration of 'T' shadows template parameter}}
// expected-note@-1{{template parameter is declared here}}
}
namespace B {
template<typename T> void T() {}
}
namespace C {
template<typename T> int T;
}
namespace PR28023 {
template<int V> // expected-note{{template parameter is declared here}}
struct A {
struct B {
template <int> friend struct V; // expected-error{{declaration of 'V' shadows template parameter}}
};
};
A<0>::B a;
}