| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: no-exceptions |
| |
| // This tests that libc++abi still provides __cxa_uncaught_exception() for |
| // ABI compatibility, even though the Standard doesn't require it to. |
| |
| // __cxa_uncaught_exception was not re-exported from libc++ previously. This leads |
| // to undefined symbols when linking against a libc++ that re-exports the symbols, |
| // but running against a libc++ that doesn't. Fortunately, usage of __cxa_uncaught_exception() |
| // in the wild seems to be close to non-existent. |
| // TODO: Remove && !darwin once availability markup for LLVM 19 on macOS has been added |
| // XFAIL: using-built-library-before-llvm-19 && !darwin |
| |
| #include <cxxabi.h> |
| #include <cassert> |
| |
| // namespace __cxxabiv1 { |
| // extern bool __cxa_uncaught_exception () throw(); |
| // } |
| |
| struct A { |
| ~A() { assert( __cxxabiv1::__cxa_uncaught_exception()); } |
| }; |
| |
| int main () { |
| try { A a; throw 3; assert(false); } |
| catch (int) {} |
| } |
