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// RUN: %clang_cc1 -std=c++98 %s -verify=expected -fexceptions -fcxx-exceptions -pedantic-errors
// RUN: %clang_cc1 -std=c++11 %s -verify=expected,since-cxx11 -fexceptions -fcxx-exceptions -pedantic-errors
// RUN: %clang_cc1 -std=c++14 %s -verify=expected,since-cxx11 -fexceptions -fcxx-exceptions -pedantic-errors
// RUN: %clang_cc1 -std=c++17 %s -verify=expected,since-cxx11 -fexceptions -fcxx-exceptions -pedantic-errors
// RUN: %clang_cc1 -std=c++20 %s -verify=expected,since-cxx11 -fexceptions -fcxx-exceptions -pedantic-errors
// RUN: %clang_cc1 -std=c++23 %s -verify=expected,since-cxx11 -fexceptions -fcxx-exceptions -pedantic-errors
namespace std {
__extension__ typedef __SIZE_TYPE__ size_t;
template<typename T> struct initializer_list {
const T *p; size_t n;
initializer_list(const T *p, size_t n);
};
}
namespace cwg930 { // cwg930: 2.7
#if __cplusplus >= 201103L
static_assert(alignof(int[]) == alignof(int), "");
static_assert(alignof(int[][2]) == alignof(int[2]), "");
#endif
} // namespace cwg930
namespace cwg948 { // cwg948: 3.7
#if __cplusplus >= 201103L
class A {
public:
constexpr A(int v) : v(v) { }
constexpr operator int() const { return v; }
private:
int v;
};
constexpr int id(int x)
{
return x;
}
void f() {
if (constexpr int i = id(101)) { }
switch (constexpr int i = id(2)) { default: break; case 2: break; }
for (; constexpr int i = id(0); ) { }
while (constexpr int i = id(0)) { }
if (constexpr A i = 101) { }
switch (constexpr A i = 2) { default: break; case 2: break; }
for (; constexpr A i = 0; ) { }
while (constexpr A i = 0) { }
}
#endif
}
namespace cwg952 { // cwg952: 2.8
namespace example1 {
struct A {
typedef int I; // #cwg952-I
};
struct B : private A { // #cwg952-B
};
struct C : B {
void f() {
I i1;
// expected-error@-1 {{'I' is a private member of 'cwg952::example1::A'}}
// expected-note@#cwg952-B {{constrained by private inheritance here}}
// expected-note@#cwg952-I {{member is declared here}}
}
I i2;
// expected-error@-1 {{'I' is a private member of 'cwg952::example1::A'}}
// expected-note@#cwg952-B {{constrained by private inheritance here}}
// expected-note@#cwg952-I {{member is declared here}}
struct D {
I i3;
// expected-error@-1 {{'I' is a private member of 'cwg952::example1::A'}}
// expected-note@#cwg952-B {{constrained by private inheritance here}}
// expected-note@#cwg952-I {{member is declared here}}
void g() {
I i4;
// expected-error@-1 {{'I' is a private member of 'cwg952::example1::A'}}
// expected-note@#cwg952-B {{constrained by private inheritance here}}
// expected-note@#cwg952-I {{member is declared here}}
}
};
};
} // namespace example1
namespace example2 {
struct A {
protected:
static int x;
};
struct B : A {
friend int get(B) { return x; }
};
} // namespace example2
} // namespace cwg952
namespace cwg974 { // cwg974: yes
#if __cplusplus >= 201103L
void test() {
auto lam = [](int x = 42) { return x; };
}
#endif
}
namespace cwg977 { // cwg977: yes
enum E { e = E() }; // #cwg977-E
#if !defined(_WIN32) || defined(__MINGW32__)
// expected-error@#cwg977-E {{invalid use of incomplete type 'E'}}
// expected-note@#cwg977-E {{definition of 'cwg977::E' is not complete until the closing '}'}}
#endif
#if __cplusplus >= 201103L
enum E2 : int { e2 = E2() };
enum struct E3 { e = static_cast<int>(E3()) };
enum struct E4 : int { e = static_cast<int>(E4()) };
#endif
} // namespace cwg977
namespace cwg990 { // cwg990: 3.5
#if __cplusplus >= 201103L
struct A { // #cwg990-A
A(std::initializer_list<int>); // #cwg990-A-init-list
};
struct B {
A a;
};
B b1 { };
B b2 { 1 };
// since-cxx11-error@-1 {{no viable conversion from 'int' to 'A'}}
// since-cxx11-note@#cwg990-A {{candidate constructor (the implicit copy constructor) not viable: no known conversion from 'int' to 'const A &' for 1st argument}}
// since-cxx11-note@#cwg990-A {{candidate constructor (the implicit move constructor) not viable: no known conversion from 'int' to 'A &&' for 1st argument}}
// since-cxx11-note@#cwg990-A-init-list {{candidate constructor not viable: no known conversion from 'int' to 'std::initializer_list<int>' for 1st argument}}
B b3 { { 1 } };
struct C {
C();
C(int);
C(std::initializer_list<int>) = delete; // #cwg990-deleted
};
C c1[3] { 1 }; // ok
C c2[3] { 1, {2} };
// since-cxx11-error@-1 {{call to deleted constructor of 'C'}}
// since-cxx11-note@#cwg990-deleted {{'C' has been explicitly marked deleted here}}
struct D {
D();
D(std::initializer_list<int>);
D(std::initializer_list<double>);
};
D d{};
#endif
}
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