Omit immortal and live objects

brandtbucher · brandtbucher · commit 13a97f3a16f0 · 2025-11-20T22:19:43.000-08:00
diff --git a/Python/gc_free_threading.c b/Python/gc_free_threading.c
@@ -977,7 +977,6 @@ update_refs(const mi_heap_t *heap, const mi_heap_area_t *area,
             void *block, size_t block_size, void *args)
 {
     struct collection_state *state = (struct collection_state *)args;
-    state->visited++;
     PyObject *op = op_from_block(block, &state->base, false);
     if (op == NULL) {
         return true;
@@ -994,6 +993,7 @@ update_refs(const mi_heap_t *heap, const mi_heap_area_t *area,
         gc_clear_unreachable(op);
         return true;
     }
+    state->visited++;
 
     Py_ssize_t refcount = Py_REFCNT(op);
     if (_PyObject_HasDeferredRefcount(op)) {

Original file line number	Diff line number	Diff line change
`@@ -977,7 +977,6 @@ update_refs(const mi_heap_t heap, const mi_heap_area_t area,`
`977`	`977`	`void block, size_t block_size, void args)`
`978`	`978`	`{`
`979`	`979`	`struct collection_state state = (struct collection_state )args;`
`980`		`- state->visited++;`
`981`	`980`	`PyObject *op = op_from_block(block, &state->base, false);`
`982`	`981`	`if (op == NULL) {`
`983`	`982`	`return true;`
`@@ -994,6 +993,7 @@ update_refs(const mi_heap_t heap, const mi_heap_area_t area,`
`994`	`993`	`gc_clear_unreachable(op);`
`995`	`994`	`return true;`
`996`	`995`	`}`
	`996`	`+ state->visited++;`
`997`	`997`
`998`	`998`	`Py_ssize_t refcount = Py_REFCNT(op);`
`999`	`999`	`if (_PyObject_HasDeferredRefcount(op)) {`