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update gcc11
author anatofuz
date Mon, 25 May 2020 07:50:57 +0900
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// PR c++/94480
// { dg-do compile { target c++20 } }

template<typename T, typename U>
constexpr bool is_same_v = __is_same (T, U);

static_assert(is_same_v<bool, decltype(requires { requires false; })>);