401b76fdf2
At this point, every supported compiler that claims a -std=c++17 mode should also support these features. Differential Revision: https://reviews.llvm.org/D113436
70 lines
1.6 KiB
C++
70 lines
1.6 KiB
C++
//===----------------------------------------------------------------------===//
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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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// Can a noexcept function pointer be caught by a non-noexcept catch clause?
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// UNSUPPORTED: c++03, c++11, c++14
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// UNSUPPORTED: no-exceptions
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// Support for catching a function pointer including noexcept was shipped in macOS 10.13
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// XFAIL: use_system_cxx_lib && {{.+}}-apple-macosx10.{{9|10|11|12}}
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#include <cassert>
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template<bool Noexcept> void f() noexcept(Noexcept) {}
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template<bool Noexcept> using FnType = void() noexcept(Noexcept);
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template<bool ThrowNoexcept, bool CatchNoexcept>
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void check()
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{
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try
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{
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auto *p = f<ThrowNoexcept>;
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throw p;
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assert(false);
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}
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catch (FnType<CatchNoexcept> *p)
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{
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assert(ThrowNoexcept || !CatchNoexcept);
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assert(p == &f<ThrowNoexcept>);
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}
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catch (...)
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{
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assert(!ThrowNoexcept && CatchNoexcept);
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}
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}
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void check_deep() {
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auto *p = f<true>;
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try
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{
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throw &p;
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}
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catch (FnType<false> **q)
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{
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assert(false);
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}
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catch (FnType<true> **q)
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{
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}
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catch (...)
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{
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assert(false);
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}
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}
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int main(int, char**)
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{
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check<false, false>();
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check<false, true>();
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check<true, false>();
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check<true, true>();
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check_deep();
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return 0;
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}
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