Force recycle intermediate collection in Hash#transform_keys! [Bug #1…

…7735] * Force recycle intermediate hash * Force recycle intermediate array too ruby#4329 (comment)
kachick · Mar 28, 2021 · 522d4cd · 522d4cd
1 parent 9af57ee
commit 522d4cd
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/hash.c b/hash.c
@@ -3294,7 +3294,9 @@ rb_hash_transform_keys_bang(int argc, VALUE *argv, VALUE hash)
             rb_hash_aset(new_keys, new_key, Qnil);
         }
         rb_ary_clear(pairs);
+        rb_gc_force_recycle(pairs);
         rb_hash_clear(new_keys);
+        rb_gc_force_recycle(new_keys);
     }
     return hash;
 }