Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp0x/sfinae26.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 04ced10e8804 |
children |
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// PR c++/49229 // { dg-do compile { target c++11 } } extern void* enabler; template<bool, class = void> struct enable_if {}; template<class T> struct enable_if<true, T> { typedef T type; }; template<class... Bn> struct and_; template<class B1> struct and_<B1> : B1 {}; template<class, class> struct is_same { static constexpr bool value = false; }; template<class T> struct is_same<T, T> { static constexpr bool value = true; }; template<class... T> struct S { template<class... U, typename enable_if<and_<is_same<T, U>...>::value>::type*& = enabler // { dg-error "no type" } > S(U...){} }; S<bool> s(0); // { dg-error "no match" }