// 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 }; |