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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // UNSUPPORTED: c++03, c++11, c++14, c++17 10 // UNSUPPORTED: msvc 11 12 // std::ranges::begin 13 // std::ranges::cbegin 14 // Test the fix for https://llvm.org/PR54100 15 16 #include <ranges> 17 #include <cassert> 18 19 #include "test_macros.h" 20 21 struct A { 22 int m[0]; 23 }; 24 static_assert(sizeof(A) == 0); // an extension supported by GCC and Clang 25 main(int,char **)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