Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp2a/constexpr-dynamic15.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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// PR c++/88337 - Implement P1327R1: Allow dynamic_cast/typeid in constexpr. // { dg-do compile { target c++2a } } // Test HINT = -3 (SRC is a multiple public non-virtual base of DST). struct A { virtual void a() {} }; struct C : A { }; struct D : A { }; struct B : C, D { }; constexpr B b; static_assert (&dynamic_cast<B&>((A&)(C&)b) == &b); static_assert (&dynamic_cast<B&>((A&)(D&)b) == &b); static_assert (dynamic_cast<B*>((A*)(C*)&b) == &b); static_assert (dynamic_cast<B*>((A*)(D*)&b) == &b);