type: lib/benchmark_driver/runner/mjit
prelude: |
  def mjit_struct_aref(struct)
    struct.aa
  end
  struct = Struct.new(:a0, :a1, :a2, :a3, :a4, :a5, :a6, :a7, :a8, :a9, :aa).new

benchmark: mjit_struct_aref(struct)

loop_count: 40000000