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// { dg-options "-w" } // { dg-do run { target c++17 } } struct A { }; struct B: A { int i; }; struct C: B, A { int j; }; constexpr C c = { { {}, 1 }, {}, 2 }; #define assert(X) do { if (!(X)) __builtin_abort(); } while(0) int main() { assert (c.i == 1 && c.j == 2); }