test/tint/expressions/type_ctor/mat2x4/zero/f16.wgsl

// flags:  --hlsl_shader_model 62
enable f16;
var<private> m = mat2x4<f16>();

@group(0) @binding(0)
var<storage, read_write> out : mat2x4<f16>;

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