More write barriers to local_iseq and parent_iseq

jhawthorn · k0kubun · commit 4c0a2764b663 · 2025-09-05T09:05:06.000-07:00
Found by wbcheck
diff --git a/iseq.c b/iseq.c
@@ -594,11 +594,11 @@ set_relation(rb_iseq_t *iseq, const rb_iseq_t *piseq)
         body->local_iseq = iseq;
     }
     else if (piseq) {
-        body->local_iseq = ISEQ_BODY(piseq)->local_iseq;
+        RB_OBJ_WRITE(iseq, &body->local_iseq, ISEQ_BODY(piseq)->local_iseq);
     }
 
     if (piseq) {
-        body->parent_iseq = piseq;
+        RB_OBJ_WRITE(iseq, &body->parent_iseq, piseq);
     }
 
     if (type == ISEQ_TYPE_MAIN) {

Original file line number	Diff line number	Diff line change
`@@ -594,11 +594,11 @@ set_relation(rb_iseq_t iseq, const rb_iseq_t piseq)`
`594`	`594`	`body->local_iseq = iseq;`
`595`	`595`	`}`
`596`	`596`	`else if (piseq) {`
`597`		`- body->local_iseq = ISEQ_BODY(piseq)->local_iseq;`
	`597`	`+ RB_OBJ_WRITE(iseq, &body->local_iseq, ISEQ_BODY(piseq)->local_iseq);`
`598`	`598`	`}`
`599`	`599`
`600`	`600`	`if (piseq) {`
`601`		`- body->parent_iseq = piseq;`
	`601`	`+ RB_OBJ_WRITE(iseq, &body->parent_iseq, piseq);`
`602`	`602`	`}`
`603`	`603`
`604`	`604`	`if (type == ISEQ_TYPE_MAIN) {`