test/tint/expressions/type_ctor/mat2x3/inferred/vectors/abstract-float.wgsl

const m = mat2x3(vec3(0.0, 1.0, 2.0),
                 vec3(3.0, 4.0, 5.0));

@group(0) @binding(0)
var<storage, read_write> out : mat2x3<f32>;

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