Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp0x/nontype5.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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// PR c++/91923 - failure-to-SFINAE with class type NTTP in C++17. // { dg-do compile { target c++11 } } template<typename T> constexpr bool is_integral_(...) { return false; } template<typename T, T = 1> constexpr bool is_integral_(long) { return true; } static_assert(is_integral_<int>(42), ""); static_assert(!is_integral_<void>(42), ""); struct S {}; static_assert(!is_integral_<S>(42), "");