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150
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1 //===--------------- catch_member_function_pointer_02.cpp -----------------===//
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2 //
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3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 // See https://llvm.org/LICENSE.txt for license information.
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5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 //
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7 //===----------------------------------------------------------------------===//
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8
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9 // Can a noexcept member function pointer be caught by a non-noexcept catch
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10 // clause?
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173
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11 // UNSUPPORTED: no-exceptions, libcxxabi-no-noexcept-function-type
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150
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12
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13 // GCC 7 and 8 support noexcept function types but this test still fails.
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14 // This is likely a bug in their implementation. Investigation needed.
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15 // XFAIL: gcc-7, gcc-8, gcc-9, gcc-10
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16
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17 #include <cassert>
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18
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19 struct X {
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20 template<bool Noexcept> void f() noexcept(Noexcept) {}
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21 };
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22 template<bool Noexcept> using FnType = void (X::*)() noexcept(Noexcept);
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23
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24 template<bool ThrowNoexcept, bool CatchNoexcept>
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25 void check()
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26 {
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27 try
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28 {
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29 auto p = &X::f<ThrowNoexcept>;
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30 throw p;
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31 assert(false);
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32 }
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33 catch (FnType<CatchNoexcept> p)
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34 {
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35 assert(ThrowNoexcept || !CatchNoexcept);
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36 assert(p == &X::f<ThrowNoexcept>);
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37 }
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38 catch (...)
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39 {
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40 assert(!ThrowNoexcept && CatchNoexcept);
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41 }
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42 }
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43
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44 void check_deep() {
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45 FnType<true> p = &X::f<true>;
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46 try
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47 {
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48 throw &p;
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49 }
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50 catch (FnType<false> *q)
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51 {
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52 assert(false);
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53 }
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54 catch (FnType<true> *q)
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55 {
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56 }
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57 catch (...)
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58 {
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59 assert(false);
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60 }
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61 }
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62
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207
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63 int main(int, char**)
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150
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64 {
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65 check<false, false>();
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66 check<false, true>();
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67 check<true, false>();
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68 check<true, true>();
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69 check_deep();
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207
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70
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71 return 0;
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150
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72 }
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