36 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// UNSUPPORTED: c++03, c++11, c++14, c++1710// UNSUPPORTED: msvc11 12// std::ranges::begin13// std::ranges::cbegin14// Test the fix for https://llvm.org/PR5410015 16#include <ranges>17#include <cassert>18 19#include "test_macros.h"20 21struct A {22 int m[0];23};24static_assert(sizeof(A) == 0); // an extension supported by GCC and Clang25 26int main(int, char**)27{28 A a[10];29 std::same_as<A*> auto p = std::ranges::begin(a);30 assert(p == a);31 std::same_as<const A*> auto cp = std::ranges::cbegin(a);32 assert(cp == a);33 34 return 0;35}36