@@ -61,19 +61,17 @@
 		s->buckets[i] = empty_level2;
 
 	return s;
 }
 
-struct objc_sparsearray*
-objc_sparsearray_copy(struct objc_sparsearray *src)
+void
+objc_sparsearray_copy(struct objc_sparsearray *dst,
+    struct objc_sparsearray *src)
 {
-	struct objc_sparsearray *dst;
 	size_t i, j, k;
 	uint32_t idx;
 
-	dst = objc_sparsearray_new();
-
 	for (i = 0; i < 256; i++) {
 		if (src->buckets[i]->empty)
 			continue;
 
 		for (j = 0; j < 256; j++) {
@@ -91,12 +89,10 @@
 				idx = (i << 16) | (j << 8) | k;
 				objc_sparsearray_set(dst, idx, obj);
 			}
 		}
 	}
-
-	return dst;
 }
 
 void
 objc_sparsearray_set(struct objc_sparsearray *s, uint32_t idx, const void *obj)
 {