| 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 | // TODO(mordante) Investigate |
| 10 | // UNSUPPORTED: apple-clang |
| 11 | |
| 12 | // UNSUPPORTED: no-exceptions |
| 13 | |
| 14 | // This tests that libc++abi still provides __cxa_uncaught_exception() for |
| 15 | // ABI compatibility, even though the Standard doesn't require it to. |
| 16 | |
| 17 | // __cxa_uncaught_exception was not re-exported from libc++ previously. This leads |
| 18 | // to undefined symbols when linking against a libc++ that re-exports the symbols, |
| 19 | // but running against a libc++ that doesn't. Fortunately, usage of __cxa_uncaught_exception() |
| 20 | // in the wild seems to be close to non-existent. |
| 21 | // XFAIL: using-built-library-before-llvm-19 |
| 22 | |
| 23 | #include <cxxabi.h> |
| 24 | #include <cassert> |
| 25 | |
| 26 | // namespace __cxxabiv1 { |
| 27 | // extern bool __cxa_uncaught_exception () throw(); |
| 28 | // } |
| 29 | |
| 30 | struct A { |
| 31 | ~A() { assert( __cxxabiv1::__cxa_uncaught_exception()); } |
| 32 | }; |
| 33 | |
| 34 | int main () { |
| 35 | try { A a; throw 3; assert(false); } |
| 36 | catch (int) {} |
| 37 | } |
| 38 |