| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // UNSUPPORTED: no-exceptions |
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| 10 | |
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| 11 | // ___cxa_throw_bad_array_new_length is re-exported from libc++ only starting |
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| 12 | // in LLVM 9. |
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| 13 | // XFAIL: using-built-library-before-llvm-9 |
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| 14 | |
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| 15 | #include <cxxabi.h> |
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| 16 | #include <new> |
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| 17 | |
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| 18 | // If the expression passed to operator new[] would result in an overflow, the |
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| 19 | // allocation function is not called, and a std::bad_array_new_length exception |
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| 20 | // is thrown instead (5.3.4p7). |
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| 21 | bool bad_array_new_length_test() { |
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| 22 | try { |
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| 23 | // We test this directly because Clang does not currently codegen the |
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| 24 | // correct call to __cxa_bad_array_new_length, so this test would result |
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| 25 | // in passing -1 to ::operator new[], which would then throw a |
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| 26 | // std::bad_alloc, causing the test to fail. |
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| 27 | __cxxabiv1::__cxa_throw_bad_array_new_length(); |
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| 28 | } catch ( const std::bad_array_new_length &banl ) { |
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| 29 | return true; |
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| 30 | } |
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| 31 | return false; |
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| 32 | } |
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| 33 | |
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| 34 | int main(int, char**) { |
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| 35 | int ret_val = 0; |
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| 36 | |
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| 37 | if ( !bad_array_new_length_test ()) { |
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| 38 | ret_val = 1; |
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| 39 | } |
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| 40 | |
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| 41 | return ret_val; |
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| 42 | } |
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| 43 | |
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