1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 3 // Test the use of elaborated-type-specifiers to inject the names of 4 // structs (or classes or unions) into an outer scope as described in 5 // C++ [basic.scope.pdecl]p5. 6 typedef struct S1 { 7 union { 8 struct S2 *x; 9 struct S3 *y; 10 }; 11 } S1; 12 13 bool test_elab(S1 *s1, struct S2 *s2, struct S3 *s3) { 14 if (s1->x == s2) return true; 15 if (s1->y == s3) return true; 16 return false; 17 } 18 19 namespace NS { 20 class X { 21 public: 22 void test_elab2(struct S4 *s4); // expected-note{{'NS::S4' declared here}} 23 }; 24 25 void X::test_elab2(S4 *s4) { } // expected-note{{passing argument to parameter 's4' here}} 26 } 27 28 void test_X_elab(NS::X x) { 29 struct S4 *s4 = 0; 30 x.test_elab2(s4); // expected-error{{cannot initialize a parameter of type 'NS::S4 *' with an lvalue of type 'struct S4 *'}} 31 } 32 33 namespace NS { 34 S4 *get_S4(); 35 } 36 37 void test_S5_scope() { 38 S4 *s4; // expected-error{{unknown type name 'S4'; did you mean 'NS::S4'?}} 39 } 40 41 int test_funcparam_scope(struct S5 * s5) { 42 struct S5 { int y; } *s5_2 = 0; 43 if (s5 == s5_2) return 1; // expected-error {{comparison of distinct pointer types ('struct S5 *' and 'struct S5 *')}} 44 return 0; 45 } 46 47 namespace test5 { 48 struct A { 49 class __attribute__((visibility("hidden"))) B {}; 50 51 void test(class __attribute__((visibility("hidden"), noreturn)) B b) { // expected-warning {{'noreturn' attribute only applies to functions and methods}} 52 } 53 }; 54 } 55
