test/expressions/type_ctor/mat4x4/inferred/scalars/f32.wgsl

let m = mat4x4(0.0, 1.0, 2.0, 3.0,
               4.0, 5.0, 6.0, 7.0,
               8.0, 9.0, 10.0, 11.0,
               12.0, 13.0, 14.0, 15.0);