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// <utility>
10
11// template<class T, T N>
12// using make_integer_sequence = integer_sequence<T, 0, 1, ..., N-1>;
13
14// UNSUPPORTED: c++03, c++11
15
16// This test hangs during recursive template instantiation with libstdc++
17// UNSUPPORTED: stdlib=libstdc++
18
19#include <utility>
20
21#include "test_macros.h"
22
23typedef std::make_integer_sequence<int, -3> MakeSeqT;
24
25// std::make_integer_sequence is implemented using a compiler builtin if available.
26// this builtin has different diagnostic messages than the fallback implementation.
27#if TEST_HAS_BUILTIN(__make_integer_seq)
28MakeSeqT i; // expected-error@*:* {{integer sequences must have non-negative sequence length}}
29#else
30MakeSeqT i; // expected-error-re@*:* {{static assertion failed{{.*}}std::make_integer_sequence must have a non-negative sequence length}}
31#endif
32

source code of libcxx/test/std/utilities/intseq/intseq.make/make_integer_seq.verify.cpp