1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 3 struct S { 4 S(); // expected-note {{because type 'S' has a user-provided default constructor}} 5 }; 6 7 struct { // expected-error {{anonymous structs and classes must be class members}} 8 }; 9 10 struct E { 11 struct { 12 S x; // expected-error {{anonymous struct member 'x' has a non-trivial constructor}} 13 }; 14 static struct { 15 }; 16 }; 17 18 template <class T> void foo(T); 19 typedef struct { // expected-note {{use a tag name here to establish linkage prior to definition}} expected-note {{declared here}} test__anon6fed09f9040820 void test() { 21 foo(this); // expected-warning {{template argument uses unnamed type}} 22 } 23 } A; // expected-error {{unsupported: typedef changes linkage of anonymous type, but linkage was already computed}} 24