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 void dr1891() { // dr1891: 3.6 11 #if __cplusplus >= 201103L 12 int n; 13 auto a = []{}; // expected-note 2{{candidate}} 14 auto b = [=]{ return n; }; // expected-note 2{{candidate}} 15 typedef decltype(a) A; 16 typedef decltype(b) B; 17 18 static_assert(!__has_trivial_constructor(A), ""); 19 static_assert(!__has_trivial_constructor(B), ""); 20 21 A x; // expected-error {{no matching constructor}} 22 B y; // expected-error {{no matching constructor}} 23 #endif 24 } 25