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 macosx 10.15 13 // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14}} 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). 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 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