1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <utility> 11 12 // template<class T, T N> 13 // using make_integer_sequence = integer_sequence<T, 0, 1, ..., N-1>; 14 15 // UNSUPPORTED: c++98, c++03, c++11 16 17 // This test hangs during recursive template instantiation with libstdc++ 18 // UNSUPPORTED: libstdc++ 19 20 #include <utility> 21 #include <type_traits> 22 #include <cassert> 23 24 #include "test_macros.h" 25 26 int main() 27 { 28 typedef std::make_integer_sequence<int, -3> MakeSeqT; 29 30 // std::make_integer_sequence is implemented using a compiler builtin if available. 31 // this builtin has different diagnostic messages than the fallback implementation. 32 #if TEST_HAS_BUILTIN(__make_integer_seq) && !defined(_LIBCPP_TESTING_FALLBACK_MAKE_INTEGER_SEQUENCE) 33 MakeSeqT i; // expected-error@utility:* {{integer sequences must have non-negative sequence length}} 34 #else 35 MakeSeqT i; // expected-error@utility:* {{static_assert failed "std::make_integer_sequence must have a non-negative sequence length"}} 36 #endif 37 } 38
