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549048f390
Summary: Ensure we re-export __cxa_throw_bad_array_new_length and __cxa_uncaught_exceptions from libc++, since they are now provided by libc++abi. Doing this allows us to stop linking explicitly against libc++abi in the libc++abi tests, since libc++ re-exports all the necessary symbols. However, there is one caveat to that. We don't want libc++ to re-export __cxa_uncaught_exception (the singular form), since it's only provided for backwards compatibility. Hence, for the single test where we check this backwards compatibility, we explicitly link against libc++abi. PR27405 PR22654 Reviewers: EricWF Subscribers: christof, jkorous, dexonsmith, libcxx-commits Tags: #libc Differential Revision: https://reviews.llvm.org/D60424 llvm-svn: 358690
28 lines
770 B
C++
28 lines
770 B
C++
//===------------------- uncaught_exceptions.pass.cpp ---------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: libcxxabi-no-exceptions
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#include <cxxabi.h>
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#include <cassert>
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// namespace __cxxabiv1 {
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// extern unsigned int __cxa_uncaught_exceptions() throw();
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// }
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struct A {
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A(unsigned cnt) : data_(cnt) {}
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~A() { assert( data_ == __cxxabiv1::__cxa_uncaught_exceptions()); }
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unsigned data_;
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};
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int main () {
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try { A a(1); throw 3; assert(false); }
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catch (int) {}
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}
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