test/expressions/binary/mul/mat3x3-vec3/f32.wgsl

[[block]]
struct S {
    matrix : mat3x3<f32>;
    vector : vec3<f32>;
};
[[group(0), binding(0)]] var<uniform> data: S;

[[stage(fragment)]]
fn main() {
  let x = data.matrix * data.vector;
}