blob: 7b7925abbd115379a85d1fbff265f37eee771c17 [file] [log] [blame]
//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// Can a noexcept function pointer be caught by a non-noexcept catch clause?
// UNSUPPORTED: c++03, c++11, c++14
// UNSUPPORTED: no-exceptions
// Support for catching a function pointer including noexcept was shipped in macOS 10.13
// XFAIL: use_system_cxx_lib && {{.+}}-apple-macosx10.{{9|10|11|12}}
#include <cassert>
template<bool Noexcept> void f() noexcept(Noexcept) {}
template<bool Noexcept> using FnType = void() noexcept(Noexcept);
template<bool ThrowNoexcept, bool CatchNoexcept>
void check()
{
try
{
auto *p = f<ThrowNoexcept>;
throw p;
assert(false);
}
catch (FnType<CatchNoexcept> *p)
{
assert(ThrowNoexcept || !CatchNoexcept);
assert(p == &f<ThrowNoexcept>);
}
catch (...)
{
assert(!ThrowNoexcept && CatchNoexcept);
}
}
void check_deep() {
auto *p = f<true>;
try
{
throw &p;
}
catch (FnType<false> **q)
{
assert(false);
}
catch (FnType<true> **q)
{
}
catch (...)
{
assert(false);
}
}
int main(int, char**)
{
check<false, false>();
check<false, true>();
check<true, false>();
check<true, true>();
check_deep();
return 0;
}