1 // RUN: %clang_cc1 -std=c++98 -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors 2 // RUN: %clang_cc1 -std=c++11 -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors 3 // RUN: %clang_cc1 -std=c++14 -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors 4 // RUN: %clang_cc1 -std=c++1z -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors 5 6 #if __cplusplus < 201103L 7 // expected-no-diagnostics 8 #endif 9 10 namespace dr1684 { // dr1684: 3.6 11 #if __cplusplus >= 201103L 12 struct NonLiteral { // expected-note {{because}} 13 NonLiteral(); 14 constexpr int f() { return 0; } // expected-warning 0-1{{will not be implicitly 'const'}} 15 }; 16 constexpr int f(NonLiteral &) { return 0; } 17 constexpr int f(NonLiteral) { return 0; } // expected-error {{not a literal type}} 18 #endif 19 } 20 21 namespace dr1631 { // dr1631: 3.7 22 #if __cplusplus >= 201103L 23 // Incorrect overload resolution for single-element initializer-list 24 25 struct A { int a[1]; }; 26 struct B { B(int); }; 27 void f(B, int); 28 void f(B, int, int = 0); 29 void f(int, A); 30 31 void test() { 32 f({0}, {{1}}); // expected-warning {{braces around scalar init}} 33 } 34 35 namespace with_error { 36 void f(B, int); // TODO: expected- note {{candidate function}} 37 void f(int, A); // expected-note {{candidate function}} 38 void f(int, A, int = 0); // expected-note {{candidate function}} 39 40 void test() { 41 f({0}, {{1}}); // expected-error{{call to 'f' is ambiguous}} 42 } 43 } 44 #endif 45 } 46 47 namespace dr1645 { // dr1645: 3.9 48 #if __cplusplus >= 201103L 49 struct A { // expected-note 2{{candidate}} 50 constexpr A(int, float = 0); // expected-note 2{{candidate}} 51 explicit A(int, int = 0); // expected-note 2{{candidate}} 52 A(int, int, int = 0) = delete; // expected-note {{candidate}} 53 }; 54 55 struct B : A { // expected-note 2{{candidate}} 56 using A::A; // expected-note 7{{inherited here}} 57 }; 58 59 constexpr B a(0); // expected-error {{ambiguous}} 60 constexpr B b(0, 0); // expected-error {{ambiguous}} 61 #endif 62 } 63
