free ractors with ractor_free

Previously with RUBY_FREE_ON_EXIT, ractors where being xfree-ed which is incorrect since they are not xmalloced.
Instead we can free ractors with ractor free during shutdown. This change only effects main ractor freeing when RUBY_FREE_ON_EXIT is set.

Co-authored-by: John Hawthorn <john@hawthorn.email>

1 files changed, 1 insertions, 1 deletions

diff --git a/gc.c b/gc.c
index 49e01bbd00..3a1ac4f4b9 100644
--- a/gc.c
+++ b/gc.c
@@ -4607,7 +4607,7 @@ rb_objspace_free_objects(rb_objspace_t *objspace)
             VALUE vp = (VALUE)p;
             switch (BUILTIN_TYPE(vp)) {
               case T_DATA: {
-                if (rb_obj_is_mutex(vp) || rb_obj_is_thread(vp)) {
+                if (rb_obj_is_mutex(vp) || rb_obj_is_thread(vp) || rb_obj_is_main_ractor(vp)) {
                     obj_free(objspace, vp);
                 }
                 break;