Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp0x/variadic20.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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// { dg-do compile { target c++11 } } template<typename T> struct add_pointer; template<typename T> struct add_reference; template<template<class T> class... Metafunctions> struct metatuple { static const int value = 0; }; template<> struct metatuple<add_pointer> { static const int value = 1; }; template<template<class T> class Meta> struct metatuple<Meta, Meta> { // { dg-message "candidates" } static const int value = 2; }; template<template<class T> class... Metafunctions> struct metatuple<add_pointer, Metafunctions...> { // { dg-message "" } static const int value = 3; }; template<template<class T> class First, template<class T> class... Metafunctions> struct metatuple<First, Metafunctions...> { // { dg-message "struct" } static const int value = 4; }; template<template<class T> class First, template<class T> class Second, template<class T> class... Metafunctions> struct metatuple<First, Second, Metafunctions...> { // { dg-message "struct" } static const int value = 5; }; int a0[metatuple<>::value == 0? 1 : -1]; int a1[metatuple<add_pointer>::value == 1? 1 : -1]; int a2a[metatuple<add_pointer, add_pointer>::value == 2? 1 : -1]; // { dg-error "ambiguous|array bound" "bound" } int a2b[metatuple<add_reference, add_reference>::value == 2? 1 : -1]; int a3[metatuple<add_pointer, add_reference>::value == 3? 1 : -1]; // { dg-error "ambiguous|array bound" "bound" } int a4[metatuple<add_reference>::value == 4? 1 : -1]; int a5[metatuple<add_reference, add_pointer>::value == 5? 1 : -1]; // { dg-error "incomplete" "incomplete" { target *-*-* } 40 } // { dg-error "incomplete" "incomplete" { target *-*-* } 42 }