test/tint/expressions/type_ctor/mat2x2/explicit/identity/f16.wgsl

// flags:  --hlsl_shader_model 62
enable f16;
var<private> m = mat2x2<f16>(mat2x2<f16>(0.0h, 1.0h,
                                         2.0h, 3.0h));

@group(0) @binding(0)
var<storage, read_write> out : mat2x2<f16>;

@compute @workgroup_size(1)
fn f() {
  out = mat2x2<f16>(m);
}