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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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children 84e7813d76e9
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// PR c++/67117
// { dg-options "-std=c++17 -fconcepts" }

template <class T>
  requires false
constexpr bool v = true;

template <class T>
constexpr bool f() { return true; }

template <class T>
  requires v<T>
constexpr bool f() { return false; }

static_assert(f<void>());
static_assert(v<void>);		// { dg-error "invalid" }