1 // Tests for late-specified return type.
2 // { dg-options "-std=c++0x -fabi-version=5" }
9 template<class T, class U>
10 auto add(T t, U u) -> decltype (t+u)
15 template<class T, class U>
16 decltype(T()+U()) add2(T t, U u)
21 template <class T, class U>
27 template<class T, class U>
28 auto add3(T t, U u) -> decltype (ag(t,u))
33 template<class T, class U>
34 decltype(*(T*)0+*(U*)0) add4(T t, U u)
53 auto f(T* t) -> decltype (t->f())
59 auto g(T t) -> decltype (t.f())
64 template <class T, class U>
65 auto h(T t, U u) -> decltype (t.template g<U>())
67 return t.template g<U>();
71 struct C: public A<int>::B<D>
75 template <class T, class U, class V>
76 auto k(T t, U u, V v) -> decltype (t.U::template B<V>::MEM)
78 return t.U::template B<V>::MEM;
82 auto l(T t) -> decltype (t)
87 template <class T, T u>
88 auto m(T t) -> decltype (u)
97 // { dg-final { scan-assembler "_Z3addIidEDTplfp_fp0_ET_T0_" } }
99 // { dg-final { scan-assembler "_Z4add4IidEDTpldecvPT_Li0EdecvPT0_Li0EES0_S2_" } }
100 auto i4 = add4(1, 2.0);
101 // { dg-final { scan-assembler "_Z4add2IidEDTplcvT__EcvT0__EES0_S1_" } }
102 auto i2 = add2(1, 2.0);
103 // { dg-final { scan-assembler "_Z4add3IidEDTcl2agfp_fp0_EET_T0_" } }
104 auto i3 = add3(1, 2.0);
105 // { dg-final { scan-assembler "_Z1fI1AIiEEDTclptfp_1fEEPT_" } }
107 // { dg-final { scan-assembler "_Z1gI1AIiEEDTcldtfp_1fEET_" } }
109 // { dg-final { scan-assembler "_Z1hI1AIiEdEDTcldtfp_1gIT0_EEET_S2_" } }
111 // { dg-final { scan-assembler "_Z1kI1C1AIiE1DEDtdtfp_srNT0_1BIT1_EE3MEMET_S4_S6_" } }
112 k( C(), A<int>(), D() );
113 // { dg-final { scan-assembler "_Z1lIiEDtfp_ET_" } }
115 // { dg-final { scan-assembler "_Z1mIiLi1EEDtT0_ET_" } }