// { dg-do "run" } #include <cassert> struct A { double a; double b; }; struct B { A a; }; struct C : public A { }; struct D { D(const D&) throw() { } }; struct E { E(const E&) throw(int) { } }; struct E1 { E1(const E1&) throw(int) { throw int(); } }; struct F { F() throw() { } }; struct G { G() throw(int) { throw int(); } }; struct H { H(H&) throw(int) { } }; struct H1 { H1(H1&) throw(int) { throw int(); } }; struct I { I(I&) throw(int) { } I(const I&) throw() { } }; struct I1 { I1(I1&) throw(int) { throw int(); } I1(const I1&) throw() { } }; struct J { J(J&) throw() { } J(const J&) throw() { } J(volatile J&) throw() { } J(const volatile J&) throw() { } }; template<typename T> bool f() { return __has_nothrow_copy(T); } template<typename T> class My { public: bool f() { return !!__has_nothrow_copy(T); } }; template<typename T> class My2 { public: static const bool trait = __has_nothrow_copy(T); }; template<typename T> const bool My2<T>::trait; template<typename T, bool b = __has_nothrow_copy(T)> struct My3_help { static const bool trait = b; }; template<typename T, bool b> const bool My3_help<T, b>::trait; template<typename T> class My3 { public: bool f() { return My3_help<T>::trait; } }; #define PTEST(T) (__has_nothrow_copy(T) && f<T>() \ && My<T>().f() && My2<T>::trait && My3<T>().f()) #define NTEST(T) (!__has_nothrow_copy(T) && !f<T>() \ && !My<T>().f() && !My2<T>::trait && !My3<T>().f()) int main() { assert (PTEST (int)); assert (NTEST (int (int))); assert (NTEST (void)); assert (PTEST (A)); assert (PTEST (B)); assert (PTEST (C)); assert (NTEST (C[])); assert (PTEST (D)); assert (NTEST (E)); assert (NTEST (E1)); assert (PTEST (F)); assert (PTEST (G)); assert (NTEST (H)); assert (NTEST (H1)); assert (NTEST (I)); assert (NTEST (I1)); assert (PTEST (J)); return 0; }