33 lines · cpp
1// RUN: %clang_cc1 -fsyntax-only -verify %s2 3void f()4{5 (void)typeid(int); // expected-error {{you need to include <typeinfo> before using the 'typeid' operator}}6}7 8namespace std {9 struct type_info { const char *name; };10}11 12void g()13{14 (void)typeid(int);15}16 17struct X; // expected-note 3{{forward declaration}}18 19void g1(X &x) {20 (void)typeid(X); // expected-error{{'typeid' of incomplete type 'X'}}21 (void)typeid(X&); // expected-error{{'typeid' of incomplete type 'X'}}22 (void)typeid(x); // expected-error{{'typeid' of incomplete type 'X'}}23}24 25void h(int i) {26 char V[i];27 typeid(V); // expected-error{{'typeid' of variably modified type 'char[i]'}}28 typeid(char [i]); // expected-error{{'typeid' of variably modified type 'char[i]'}}29}30 31// expected-note@+1 {{read of object 'typeid(int).name' whose value is not known}}32constexpr const char *name = typeid(int).name; // expected-error {{constant expression}}33