test/tint/expressions/type_ctor/mat2x2/inferred/vectors/f32.wgsl

var<private> m = mat2x2(vec2<f32>(0.0, 1.0),
                        vec2<f32>(2.0, 3.0));

@group(0) @binding(0)
var<storage, read_write> out : mat2x2<f32>;

@compute @workgroup_size(1)
fn f() {
  out = m;
}