test/tint/expressions/type_ctor/mat4x4/inferred/scalars/abstract-float.wgsl

var<private> 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);