GLOBAL_TYPE_INFO.cpp

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// checking for class ::type_info
 
 
#if defined (__EDG__) || defined (__sgi) && !defined (__GNUG__)
   // let edg (or its derivative) know about this fake type_info
#  pragma define_type_info
#endif   // __EDG__
 
 
class type_info { };
 
 
struct B { virtual ~B () { } };
struct D: B { };
struct E: B { };
 
 
int main (int argc, char *argv[])
{
    const type_info* ti1 = 0;
    const type_info* ti2 = 0;
 
    if (argc > 3) {
        ti1 = &typeid (D);
        ti2 = &typeid (E);
    }
    else if (argc > 2) {
        ti1 = &typeid (D);
        ti2 = &typeid (D);
    }
 
    if (argc > 1)
        return ti1 == ti2;
 
    // link only test 
    return 0;
}