Add assumption to free_vm_weak_references

jhawthorn · jhawthorn · commit 89e09e4daf1b · 2025-12-11T09:53:18.000-08:00
Help the compiler know that we always get a heap object here.
diff --git a/gc.c b/gc.c
@@ -2061,6 +2061,7 @@ obj_free_object_id(VALUE obj)
 void
 rb_gc_obj_free_vm_weak_references(VALUE obj)
 {
+    ASSUME(!RB_SPECIAL_CONST_P(obj));
     obj_free_object_id(obj);
 
     if (rb_obj_gen_fields_p(obj)) {

Original file line number	Diff line number	Diff line change
`@@ -2061,6 +2061,7 @@ obj_free_object_id(VALUE obj)`
`2061`	`2061`	`void`
`2062`	`2062`	`rb_gc_obj_free_vm_weak_references(VALUE obj)`
`2063`	`2063`	`{`
	`2064`	`+ ASSUME(!RB_SPECIAL_CONST_P(obj));`
`2064`	`2065`	`obj_free_object_id(obj);`
`2065`	`2066`
`2066`	`2067`	`if (rb_obj_gen_fields_p(obj)) {`