| // RUN: %clang_cc1 -fsyntax-only -verify %s  | 
 |  | 
 | struct A { | 
 |    A() : value(), cvalue() { } // expected-error {{reference to type 'int' requires an initializer}} | 
 |    int &value; | 
 |    const int cvalue; | 
 | }; | 
 |  | 
 | struct B { | 
 |   int field; | 
 | }; | 
 |  | 
 | struct X { | 
 |    X() { }      // expected-error {{constructor for 'X' must explicitly initialize the reference member 'value'}} \ | 
 |                 // expected-error {{constructor for 'X' must explicitly initialize the const member 'cvalue'}} \ | 
 |                 // expected-error {{constructor for 'X' must explicitly initialize the reference member 'b'}} \ | 
 |                 // expected-error {{constructor for 'X' must explicitly initialize the const member 'cb'}} | 
 |    int &value; // expected-note{{declared here}} | 
 |    const int cvalue; // expected-note{{declared here}} | 
 |    B& b; // expected-note{{declared here}} | 
 |    const B cb; // expected-note{{declared here}} | 
 | }; | 
 |  | 
 |  | 
 | // PR5924 | 
 | struct bar {}; | 
 | bar xxx(); | 
 |  | 
 | struct foo { | 
 |   foo_t a;  // expected-error {{unknown type name 'foo_t'}} | 
 |   foo() : a(xxx()) {}  // no error here. | 
 | }; |