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// DR 2583 - Common initial sequence should consider over-alignment.
// { dg-do compile { target c++11 } }
#include <type_traits>
struct A {
int i;
char c;
};
struct B {
int i;
alignas(8) char c;
};
struct C {
int i;
alignas(alignof(char)) char c;
};
struct D {
alignas(alignof(int)) int i;
char c;
};
struct S0 {
alignas(16) char x[128];
int i;
};
struct alignas(16) S1 {
char x[128];
int i;
};
#if __cpp_lib_is_layout_compatible >= 201907L
static_assert (std::is_corresponding_member (&A::i, &B::i), "");
static_assert (std::is_corresponding_member (&A::c, &B::c) == (alignof (char) == 8), "");
static_assert (std::is_corresponding_member (&A::i, &C::i), "");
static_assert (std::is_corresponding_member (&A::c, &C::c), "");
static_assert (std::is_corresponding_member (&A::i, &D::i), "");
static_assert (std::is_corresponding_member (&A::c, &D::c), "");
static_assert (std::is_corresponding_member (&S0::x, &S1::x) == (alignof (char) == 16), "");
static_assert (std::is_corresponding_member (&S0::i, &S1::i) == (alignof (char) == 16), "");
#endif
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