#include <iostream>

template<int CppVersion, int GccMajor, int GccMinor, int GccPatch>
struct CheckVersions {
    static_assert(CppVersion != CppVersion, "Failed to meet version requirements.");
};

int main() {
    // This instantiation is designed to fail.
    // The compiler error message will include the instantiated template with actual values,
    // indirectly showing the versions.
    CheckVersions<__cplusplus, __GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__> check;
    return 0;
}