| 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 |
|---|
| 10 | |
|---|
| 11 | // <type_traits> |
|---|
| 12 | |
|---|
| 13 | |
|---|
| 14 | #include <type_traits> |
|---|
| 15 | #include <cassert> |
|---|
| 16 | |
|---|
| 17 | #include "test_macros.h" |
|---|
| 18 | |
|---|
| 19 | int main(int, char**) |
|---|
| 20 | { |
|---|
| 21 | #ifndef __cpp_lib_is_constant_evaluated |
|---|
| 22 | // expected-error@+1 {{no member named 'is_constant_evaluated' in namespace 'std'}} |
|---|
| 23 | bool b = std::is_constant_evaluated(); |
|---|
| 24 | #else |
|---|
| 25 | // expected-error@+1 {{static assertion failed}} |
|---|
| 26 | static_assert(!std::is_constant_evaluated(), "" ); |
|---|
| 27 | // expected-warning@-1 0-1 {{'std::is_constant_evaluated' will always evaluate to 'true' in a manifestly constant-evaluated expression}} |
|---|
| 28 | #endif |
|---|
| 29 | return 0; |
|---|
| 30 | } |
|---|
| 31 | |
|---|
