dawn-cmake/test/expressions/binary/sub/vec3-vec3/f32.wgsl

[[stage(compute), workgroup_size(1)]]
fn f() {
    let a = vec3<f32>(1., 2., 3.);
    let b = vec3<f32>(4., 5., 6.);
    let r : vec3<f32> = a - b;
}