| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++98, c++03, c++11, c++14 |
| // XFAIL: gcc |
| |
| // <memory> |
| |
| // template <ObjectType T> constexpr T* addressof(T& r); |
| |
| #include <memory> |
| #include <cassert> |
| |
| struct Pointer { |
| constexpr Pointer(void* v) : value(v) {} |
| void* value; |
| }; |
| |
| struct A |
| { |
| constexpr A() : n(42) {} |
| void operator&() const { } |
| int n; |
| }; |
| |
| constexpr int i = 0; |
| constexpr double d = 0.0; |
| constexpr A a{}; |
| |
| int main() |
| { |
| static_assert(std::addressof(i) == &i, ""); |
| static_assert(std::addressof(d) == &d, ""); |
| constexpr const A* ap = std::addressof(a); |
| static_assert(&ap->n == &a.n, ""); |
| } |