// { dg-do run } #include struct A { double a; double b; }; union U { double a; double b; }; struct B { B(const B&) { } }; struct C { virtual int f() { return 1; } }; struct D : public B { }; struct E : public A { }; struct F { A a; }; struct G { B b; }; template bool f() { return __has_trivial_copy(T); } template class My { public: bool f() { return !!__has_trivial_copy(T); } }; template class My2 { public: static const bool trait = __has_trivial_copy(T); }; template const bool My2::trait; template struct My3_help { static const bool trait = b; }; template const bool My3_help::trait; template class My3 { public: bool f() { return My3_help::trait; } }; #define PTEST(T) (__has_trivial_copy(T) && f() \ && My().f() && My2::trait && My3().f()) #define NTEST(T) (!__has_trivial_copy(T) && !f() \ && !My().f() && !My2::trait && !My3().f()) int main() { assert (PTEST (int)); assert (NTEST (int (int))); assert (NTEST (void)); assert (PTEST (A)); assert (PTEST (U)); assert (NTEST (B)); assert (NTEST (C)); assert (NTEST (D)); assert (PTEST (E)); assert (PTEST (E[])); assert (PTEST (F)); assert (NTEST (G)); assert (PTEST (B&)); return 0; }