ocaml test error on haikuOS

> 21. +. 21. is 42.000000
> 21. +. 21. is 42.000000
> 21. +. 21. is 42.000000
> 21. +. 21. is 42.000000
> 21. +. 21. is 42.000000
> ### end stdout ###
> Action 4/8 (run) => passed
>
> Running action 5/8 (check-program-output)
> Comparing program output /boot/home/OCAML/ocaml/testsuite/_ocamltest/tests/lib-format/mc_pr586_par/ocamlopt.byte/mc_pr586_par.opt.output to reference /boot/home/OCAML/ocaml/testsuite/tests/lib-format/mc_pr586_par.reference
> Action 5/8 (check-program-output) => failed (program output /boot/home/OCAML/ocaml/testsuite/_ocamltest/tests/lib-format/mc_pr586_par/ocamlopt.byte/mc_pr586_par.opt.output differs from reference /boot/home/OCAML/ocaml/testsuite/tests/lib-format/mc_pr586_par.reference:
> --- /boot/home/OCAML/ocaml/testsuite/tests/lib-format/mc_pr586_par.reference  2024-09-01 12:39:12.462946304 +0200
> +++ /boot/home/OCAML/ocaml/testsuite/_ocamltest/tests/lib-format/mc_pr586_par/ocamlopt.byte/mc_pr586_par.opt.output   2025-03-27 00:12:49.530841600 +0100
> @@ -1,4 +1,4 @@
> -21. +. 21. is 42.000000
> +21. +. 21. is 42f+01
>  21. +. 21. is 42.000000
>  21. +. 21. is 42.000000
>  21. +. 21. is 42.000000
>
> )