./quantities/parser_body.hpp:24:13: warning: suggest braces around initialization of subobject [-Wmissing-braces]
    return {0, 0, 0, 0, 0, 0, 0, 0};
            ^~~~~~~~~~~~~~~~~~~~~~
            {                     }
./quantities/parser_body.hpp:46:13: warning: suggest braces around initialization of subobject [-Wmissing-braces]
    return {LengthExponent,
            ^~~~~~~~~~~~~~~
astronomy/ksp_system_test.cpp:502:43: warning: must specify at least one argument for '...' parameter of variadic macro [-Wgnu-zero-variadic-macro-arguments]
            /*first_step_in_seconds=*/75}));
astronomy/solar_system_dynamics_test.cpp:581:43: warning: must specify at least one argument for '...' parameter of variadic macro [-Wgnu-zero-variadic-macro-arguments]
            /*first_step_in_seconds=*/75}));
                                          ^
integrators/symplectic_runge_kutta_nyström_integrator_test.cpp:724:46: warning: must specify at least one argument for '...' parameter of variadic macro [-Wgnu-zero-variadic-macro-arguments]
                        ValuesIn(Instances()));
integrators/symmetric_linear_multistep_integrator_test.cpp:452:46: warning: must specify at least one argument for '...' parameter of variadic macro [-Wgnu-zero-variadic-macro-arguments]
                        ValuesIn(Instances()));
physics/ephemeris_test.cpp:1021:59: warning: must specify at least one argument for '...' parameter of variadic macro [-Wgnu-zero-variadic-macro-arguments]
        &Quinlan1999Order8A<Position<ICRFJ2000Equator>>()));
./base/array_body.hpp:48:13: warning: suggest braces around initialization of subobject [-Wmissing-braces]
    : data_{std::forward<Args>(args)...},
            ^~~~~~~~~~~~~~~~~~~~~~~~
            {                       }
ksp_plugin_test/interface_renderer_test.cpp:49:11: warning: unused variable 'trajectory_size' [-Wunused-const-variable]
int const trajectory_size = 10;
          ^
ksp_plugin_test/interface_renderer_test.cpp:51:5: warning: unused variable 'parent_position' [-Wunused-variable]
XYZ parent_position = {4, 5, 6};
    ^
./base/array_body.hpp:48:13: warning: suggest braces around initialization of subobject [-Wmissing-braces]
    : data_{std::forward<Args>(args)...},
            ^~~~~~~~~~~~~~~~~~~~~~~~
            {                       }