export module M;
import std;
// --wide gives S more members, so the two builds of M the test asks for
// differ in what they declare.
#ifdef WIDE
export struct S { std::int32_t a; std::int32_t b; std::int64_t pad[4]; };
#else
export struct S { std::int32_t a; std::int32_t b; };
#endif
export std::int32_t Size() {
    return static_cast<std::int32_t>(sizeof(S));
}