Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/ext/is_std_layout3.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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// DR 1813 // PR c++/83374 - __is_standard_layout wrong for a class with repeated bases. // { dg-do compile { target c++11 } } struct B { int i; }; // standard-layout class struct C : B { }; // standard-layout class struct D : C { }; // standard-layout class struct E : D { char : 4; }; // not a standard-layout class static_assert( __is_standard_layout(B), "" ); static_assert( __is_standard_layout(C), "" ); static_assert( __is_standard_layout(D), "" ); static_assert( ! __is_standard_layout(E), "" ); struct Q {}; struct S : Q { }; struct T : Q { }; struct U : S, T { }; // not a standard-layout class static_assert( ! __is_standard_layout(U), "" );