1 // RUN: %clang_cc1 -std=c++98 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors 2 // RUN: %clang_cc1 -std=c++11 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors 3 // RUN: %clang_cc1 -std=c++14 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors 4 // RUN: %clang_cc1 -std=c++1z %s -verify -fexceptions -fcxx-exceptions -pedantic-errors 5 6 namespace dr1346 { // dr1346: 3.5 7 auto a(1); // expected-error 0-1{{extension}} 8 auto b(1, 2); // expected-error {{multiple expressions}} expected-error 0-1{{extension}} 9 #if __cplusplus >= 201103L 10 auto c({}); // expected-error {{parenthesized initializer list}} 11 auto d({1}); // expected-error {{parenthesized initializer list}} 12 auto e({1, 2}); // expected-error {{parenthesized initializer list}} 13 #endif 14 template<typename...Ts> void f(Ts ...ts) { // expected-error 0-1{{extension}} 15 auto x(ts...); // expected-error {{empty}} expected-error 0-1{{extension}} 16 } 17 template void f(); // expected-note {{instantiation}} 18 19 #if __cplusplus >= 201103L 20 void init_capture() { 21 [a(1)] {} (); // expected-error 0-1{{extension}} 22 [b(1, 2)] {} (); // expected-error {{multiple expressions}} expected-error 0-1{{extension}} 23 #if __cplusplus >= 201103L 24 [c({})] {} (); // expected-error {{parenthesized initializer list}} expected-error 0-1{{extension}} 25 [d({1})] {} (); // expected-error {{parenthesized initializer list}} expected-error 0-1{{extension}} 26 [e({1, 2})] {} (); // expected-error {{parenthesized initializer list}} expected-error 0-1{{extension}} 27 #endif 28 } 29 #endif 30 } 31 32 namespace dr1359 { // dr1359: 3.5 33 #if __cplusplus >= 201103L 34 union A { constexpr A() = default; }; 35 union B { constexpr B() = default; int a; }; // expected-error {{not constexpr}} expected-note 2{{candidate}} 36 union C { constexpr C() = default; int a, b; }; // expected-error {{not constexpr}} expected-note 2{{candidate}} 37 struct X { constexpr X() = default; union {}; }; 38 struct Y { constexpr Y() = default; union { int a; }; }; // expected-error {{not constexpr}} expected-note 2{{candidate}} 39 40 constexpr A a = A(); 41 constexpr B b = B(); // expected-error {{no matching}} 42 constexpr C c = C(); // expected-error {{no matching}} 43 constexpr X x = X(); 44 constexpr Y y = Y(); // expected-error {{no matching}} 45 #endif 46 } 47
