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view gcc/testsuite/g++.dg/cpp1y/constexpr-tracking-const17.C @ 152:2b5abeee2509
update gcc11
author | anatofuz |
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date | Mon, 25 May 2020 07:50:57 +0900 |
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// PR c++/94074 - wrong modifying const object error for COMPONENT_REF. // { dg-do compile { target c++14 } } typedef decltype (sizeof (0)) size_t; template <typename E, size_t N> struct array { constexpr const E &operator[](size_t n) const noexcept { return elems[n]; } E elems[N]; }; template <typename T> struct S { using U = array<T, 4>; U m; constexpr S(int) : m{} { const_cast<int &>(const_cast<const U &>(m)[0]) = 42; } }; constexpr S<int> p = { 10 };