vlib/v/checker/tests/return_fixed_array.vv:1:25: error: fixed array cannot be returned by function
    1 | fn return_fixed_array() [3]int {
      |                         ~~~~~~
    2 |     return [1, 2, 3]!
    3 | }
vlib/v/checker/tests/return_fixed_array.vv:5:41: error: fixed array cannot be used in multi-return
    3 | }
    4 | 
    5 | fn return_fixed_array_in_multi_return() ([3]int, [3]int) {
      |                                         ~~~~~~~~~~~~~~~~
    6 |     return [1, 2, 3]!, [4, 5, 6]!
    7 | }