Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp0x/initlist-lifetime2.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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// Test that we properly extend the lifetime of the initializer_list // array even if the initializer_list is a subobject. // { dg-do run { target c++11 } } #include <initializer_list> extern "C" void abort(); bool ok; bool do_throw; struct A { A(int) { if (do_throw) throw 42; } ~A() { if (!ok) abort(); } }; typedef std::initializer_list<A> AL; typedef std::initializer_list<AL> AL2; typedef std::initializer_list<AL2> AL3; struct B { AL al; const AL& alr; }; struct A2 { const A& a1; const A& a2; }; struct C { AL ar[2]; B b; AL3 al3; A2 a2; A2 a2r[2]; C(): ar{{1,2},{3,4}}, b{{5,6},{7,8}}, al3{{{1},{2},{3}}}, a2{1,2}, a2r{{1,2},{3,4}} { ok = true; } }; struct D { AL ar[2] = {{1,2},{3,4}}; B b = {{5,6},{7,8}}; AL3 al3 = {{{1},{2},{3}}}; A2 a2 = {1,2}; A2 a2r[2] = {{1,2},{3,4}}; D() { ok = true; } }; volatile bool always_false = false; int main(int argc, const char** argv) { do_throw = always_false; // always false, but optimizer can't tell ok = false; C c; ok = false; D d; }