Compiler, Runtime: initial support for OCaml 5.5

[hhugo]

No description provided.

[hhugo]

@vouillon, can you check the failure below.

see https://github.com/ocsigen/js_of_ocaml/actions/runs/22852044514/job/66282725911?pr=2195

Run opam exec -- dune build @runtest-wasm
File "compiler/tests-ocaml/lib-int/dune", line 2, characters 8-12:
2 |  (names test)
            ^^^^
(cd _build/default/compiler/tests-ocaml/lib-int && ../../../.bin/node test.bc.wasm.js) > _build/default/compiler/tests-ocaml/lib-int/test.bc.wasm.js.output
Fatal error: exception File "compiler/tests-ocaml/lib-int/test.ml", line 43, characters 6-12: Assertion failed

[hhugo]

What is this diff about ?

[vouillon]

We get a memory leak if we don't put the code in its own function since the head of the stream remains live.

[hhugo]

@kit-ty-kate, you can update your alpha opam repo with the tip of this PR.

[kit-ty-kate]

@kit-ty-kate, you can update your alpha opam repo with the tip of this PR.

done