1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 3 // FIXME: Very incomplete! 4 5 // A program that calls for default-initialization or value-initialization of 6 // an entity of reference type is illformed. If T is a cv-qualified type, the 7 // cv-unqualified version of T is used for these definitions of 8 // zero-initialization, default-initialization, and value-initialization. 9 // 10 // FIXME: The diagnostics for these errors are terrible because they fall out 11 // of the AST representation rather than being explicitly issued during the 12 // respective initialization forms. 13 struct S { // expected-error {{implicit default constructor for 'S' must explicitly initialize the reference member}} \ 14 // expected-note {{candidate constructor (the implicit copy constructor) not viable}} 15 int& x; // expected-note {{declared here}} 16 }; 17 S s; // expected-note {{implicit default constructor for 'S' first required here}} 18 S f() { 19 return S(); // expected-error {{no matching constructor for initialization of 'S'}} 20 } 21
