Add rb_hash_free for the GC to use

1 files changed, 1 insertions, 0 deletions

diff --git a/internal/hash.h b/internal/hash.h
index d1848e5408..fe859cb716 100644
--- a/internal/hash.h
+++ b/internal/hash.h
@@ -87,6 +87,7 @@ int rb_hash_stlike_delete(VALUE hash, st_data_t *pkey, st_data_t *pval);
 int rb_hash_stlike_foreach_with_replace(VALUE hash, st_foreach_check_callback_func *func, st_update_callback_func *replace, st_data_t arg);
 int rb_hash_stlike_update(VALUE hash, st_data_t key, st_update_callback_func *func, st_data_t arg);
 VALUE rb_ident_hash_new_with_size(st_index_t size);
+void rb_hash_free(VALUE hash);
 
 static inline unsigned RHASH_AR_TABLE_SIZE_RAW(VALUE h);
 static inline VALUE RHASH_IFNONE(VALUE h);