Merge branch 'fix/andre/aorai-oracles-tmpdir' into 'stable/titanium'

[Aorai] avoid macOS issues with test oracles and Filename.get_temp_dir_name

See merge request frama-c/frama-c!2917

src/plugins/aorai/tests/Aorai_test.ml

@@ -71,11 +71,17 @@ let extend () =
           wp_compute_kf kf
       in
       run f;
+      let tmpdir = Filename.get_temp_dir_name () in
+      let tmpdir =
+        match Filename.chop_suffix_opt ~suffix:"/" tmpdir with
+        | None -> tmpdir
+        | Some dir -> dir
+      in
       let tmpfile =
-        Filename.get_temp_dir_name () ^ "/aorai_" ^
-        (Filename.chop_extension
-           (Filename.basename (List.hd (Kernel.Files.get()):>string))) ^ "_" ^
-        (string_of_int (TestNumber.get ())) ^ ".i"
+        tmpdir ^ "/aorai_" ^
+        Filename.(
+          chop_extension (basename (List.hd (Kernel.Files.get()):>string))) ^
+        "_" ^ (string_of_int (TestNumber.get ())) ^ ".i"
       in
       let () =
         Extlib.safe_at_exit