| // RUN: %clang_cc1 -std=c++98 -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors |
| // RUN: %clang_cc1 -std=c++11 -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors |
| // RUN: %clang_cc1 -std=c++14 -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors |
| // RUN: %clang_cc1 -std=c++1z -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors |
| |
| namespace dr1684 { // dr1684: 3.6 |
| #if __cplusplus >= 201103L |
| struct NonLiteral { // expected-note {{because}} |
| NonLiteral(); |
| constexpr int f() { return 0; } // expected-warning 0-1{{will not be implicitly 'const'}} |
| }; |
| constexpr int f(NonLiteral &) { return 0; } |
| constexpr int f(NonLiteral) { return 0; } // expected-error {{not a literal type}} |
| #endif |
| } |
| |
| namespace dr1631 { // dr1631: 3.7 |
| #if __cplusplus >= 201103L |
| // Incorrect overload resolution for single-element initializer-list |
| |
| struct A { int a[1]; }; |
| struct B { B(int); }; |
| void f(B, int); |
| void f(B, int, int = 0); |
| void f(int, A); |
| |
| void test() { |
| f({0}, {{1}}); // expected-warning {{braces around scalar init}} |
| } |
| |
| namespace with_error { |
| void f(B, int); // TODO: expected- note {{candidate function}} |
| void f(int, A); // expected-note {{candidate function}} |
| void f(int, A, int = 0); // expected-note {{candidate function}} |
| |
| void test() { |
| f({0}, {{1}}); // expected-error{{call to 'f' is ambiguous}} |
| } |
| } |
| #endif |
| } |
| |
| namespace dr1638 { // dr1638: yes |
| #if __cplusplus >= 201103L |
| template<typename T> struct A { |
| enum class E; // expected-note {{previous}} |
| enum class F : T; // expected-note 2{{previous}} |
| }; |
| |
| template<> enum class A<int>::E; |
| template<> enum class A<int>::E {}; |
| template<> enum class A<int>::F : int; |
| template<> enum class A<int>::F : int {}; |
| |
| template<> enum class A<short>::E : int; |
| template<> enum class A<short>::E : int {}; |
| |
| template<> enum class A<short>::F; // expected-error {{different underlying type}} |
| template<> enum class A<char>::E : char; // expected-error {{different underlying type}} |
| template<> enum class A<char>::F : int; // expected-error {{different underlying type}} |
| |
| enum class A<unsigned>::E; // expected-error {{template specialization requires 'template<>'}} expected-error {{nested name specifier}} |
| template enum class A<unsigned>::E; // expected-error {{enumerations cannot be explicitly instantiated}} |
| enum class A<unsigned>::E *e; // expected-error {{must use 'enum' not 'enum class'}} |
| |
| struct B { |
| friend enum class A<unsigned>::E; // expected-error {{must use 'enum' not 'enum class'}} |
| }; |
| #endif |
| } |
| |
| namespace dr1645 { // dr1645: 3.9 |
| #if __cplusplus >= 201103L |
| struct A { |
| constexpr A(int, float = 0); // expected-note 2{{candidate}} |
| explicit A(int, int = 0); // expected-note 2{{candidate}} |
| A(int, int, int = 0) = delete; // expected-note {{candidate}} |
| }; |
| |
| struct B : A { // expected-note 2{{candidate}} |
| using A::A; // expected-note 5{{inherited here}} |
| }; |
| |
| constexpr B a(0); // expected-error {{ambiguous}} |
| constexpr B b(0, 0); // expected-error {{ambiguous}} |
| #endif |
| } |
| |
| namespace dr1653 { // dr1653: 4 c++17 |
| void f(bool b) { |
| ++b; |
| b++; |
| #if __cplusplus <= 201402L |
| // expected-warning@-3 {{deprecated}} expected-warning@-2 {{deprecated}} |
| #else |
| // expected-error@-5 {{incrementing expression of type bool}} expected-error@-4 {{incrementing expression of type bool}} |
| #endif |
| --b; // expected-error {{cannot decrement expression of type bool}} |
| b--; // expected-error {{cannot decrement expression of type bool}} |
| b += 1; // ok |
| b -= 1; // ok |
| } |
| } |