1 // -*- C++ -*- 2 //===----------------------------------------------------------------------===// 3 // 4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5 // See https://llvm.org/LICENSE.txt for license information. 6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7 // 8 //===----------------------------------------------------------------------===// 9 10 // UNSUPPORTED: c++03, c++11 11 12 // Make sure that we don't blow up the template instantiation recursion depth 13 // for tuples of size <= 1024. 14 15 #include <tuple> 16 #include <cassert> 17 #include <utility> 18 19 template <size_t... I> 20 constexpr void CreateTuple(std::index_sequence<I...>) { 21 std::tuple<decltype(I)...> tuple(I...); 22 assert(std::get<0>(tuple) == 0); 23 assert(std::get<sizeof...(I)-1>(tuple) == sizeof...(I)-1); 24 } 25 26 constexpr bool test() { 27 CreateTuple(std::make_index_sequence<1024>{}); 28 return true; 29 } 30 31 int main(int, char**) { 32 test(); 33 static_assert(test(), ""); 34 return 0; 35 } 36