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: no-exceptions
10
11 // ___cxa_throw_bad_array_new_length is re-exported from libc++ only starting
12 // in LLVM 9.
13 // XFAIL: using-built-library-before-llvm-9
14
15 #include <cxxabi.h>
16 #include <new>
17
18 // If the expression passed to operator new[] would result in an overflow, the
19 // allocation function is not called, and a std::bad_array_new_length exception
20 // is thrown instead (5.3.4p7).
bad_array_new_length_test()21 bool bad_array_new_length_test() {
22 try {
23 // We test this directly because Clang does not currently codegen the
24 // correct call to __cxa_bad_array_new_length, so this test would result
25 // in passing -1 to ::operator new[], which would then throw a
26 // std::bad_alloc, causing the test to fail.
27 __cxxabiv1::__cxa_throw_bad_array_new_length();
28 } catch ( const std::bad_array_new_length &banl ) {
29 return true;
30 }
31 return false;
32 }
33
main(int,char **)34 int main(int, char**) {
35 int ret_val = 0;
36
37 if ( !bad_array_new_length_test ()) {
38 ret_val = 1;
39 }
40
41 return ret_val;
42 }
43