var x_1 : mat2x4; var x_2 : vec4; fn main_1() { return; } struct main_out { [[location(9)]] x_1_1 : vec4; [[location(10)]] x_1_2 : vec4; [[builtin(position)]] x_2_1 : vec4; }; [[stage(vertex)]] fn main() -> main_out { main_1(); return main_out(x_1[0], x_1[1], x_2); }