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-rw-r--r--libguile/gc.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/libguile/gc.c b/libguile/gc.c
index 96011f14f..b50281cda 100644
--- a/libguile/gc.c
+++ b/libguile/gc.c
@@ -2581,8 +2581,7 @@ scm_init_gc ()
scm_gc_vcell = scm_sysintern ("gc-thunk", SCM_BOOL_F);
#endif /* SCM_DEBUG_DEPRECATED == 0 */
after_gc_thunk = scm_make_subr_opt ("%gc-thunk", scm_tc7_subr_0, gc_async_thunk, 0);
- gc_async = scm_system_async (after_gc_thunk);
- scm_permanent_object (gc_async);
+ gc_async = scm_system_async (after_gc_thunk); /* protected via scm_asyncs */
scm_c_hook_add (&scm_after_gc_c_hook, mark_gc_async, NULL, 0);