Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp0x/trailing1.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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// Tests for late-specified return type. // { dg-do compile { target c++11 } } // { dg-options "-fabi-version=5" } auto f() -> int { return 0; } template<class T, class U> auto add(T t, U u) -> decltype (t+u) { return t+u; } template<class T, class U> decltype(T()+U()) add2(T t, U u) { return t+u; } template <class T, class U> U ag (T, U) { return U(); } template<class T, class U> auto add3(T t, U u) -> decltype (ag(t,u)) { return ag(t,u); } template<class T, class U> decltype(*(T*)0+*(U*)0) add4(T t, U u) { return t+u; } template <class T> struct A { T f() { return T(); } template <class U> T g() { return T(); } template <class V> struct B { int MEM; }; }; template <class T> auto f(T* t) -> decltype (t->f()) { return t->f(); } template <class T> auto g(T t) -> decltype (t.f()) { return t.f(); } template <class T, class U> auto h(T t, U u) -> decltype (t.template g<U>()) { return t.template g<U>(); } struct D { }; struct C: public A<int>::B<D> { }; template <class T, class U, class V> auto k(T t, U u, V v) -> decltype (t.U::template B<V>::MEM) { return t.U::template B<V>::MEM; } template <class T> auto l(T t) -> decltype (t) { return t; } template <class T, T u> auto m(T t) -> decltype (u) { return t; } A<int> a, *p; int main() { // { dg-final { scan-assembler "_Z3addIidEDTplfp_fp0_ET_T0_" } } auto i = add(1, 2.0); // { dg-final { scan-assembler "_Z4add4IidEDTpldecvPT_Li0EdecvPT0_Li0EES0_S2_" } } auto i4 = add4(1, 2.0); // { dg-final { scan-assembler "_Z4add2IidEDTplcvT__EcvT0__EES0_S1_" } } auto i2 = add2(1, 2.0); // { dg-final { scan-assembler "_Z4add3IidEDTcl2agfp_fp0_EET_T0_" } } auto i3 = add3(1, 2.0); // { dg-final { scan-assembler "_Z1fI1AIiEEDTclptfp_1fEEPT_" } } f(p); // { dg-final { scan-assembler "_Z1gI1AIiEEDTcldtfp_1fEET_" } } g(a); // { dg-final { scan-assembler "_Z1hI1AIiEdEDTcldtfp_1gIT0_EEET_S2_" } } h(a,1.0); // { dg-final { scan-assembler "_Z1kI1C1AIiE1DEDtdtfp_srNT0_1BIT1_EE3MEMET_S4_S6_" } } k( C(), A<int>(), D() ); // { dg-final { scan-assembler "_Z1lIiEDtfp_ET_" } } l(1); // { dg-final { scan-assembler "_Z1mIiLi1EEDtT0_ET_" } } m<int,1>(1); }