Add write barrier to rb_cHash_empty_frozen

jhawthorn · k0kubun · commit f6448d65846d · 2025-09-05T09:05:06.000-07:00
Found by wbcheck
diff --git a/compile.c b/compile.c
@@ -3499,7 +3499,7 @@ iseq_peephole_optimize(rb_iseq_t *iseq, LINK_ELEMENT *list, const int do_tailcal
                 iobj->insn_id = BIN(opt_hash_freeze);
                 iobj->operand_size = 2;
                 iobj->operands = compile_data_calloc2(iseq, iobj->operand_size, sizeof(VALUE));
-                iobj->operands[0] = rb_cHash_empty_frozen;
+                RB_OBJ_WRITE(iseq, &iobj->operands[0], rb_cHash_empty_frozen);
                 iobj->operands[1] = (VALUE)ci;
                 ELEM_REMOVE(next);
             }

Original file line number	Diff line number	Diff line change
`@@ -3499,7 +3499,7 @@ iseq_peephole_optimize(rb_iseq_t iseq, LINK_ELEMENT list, const int do_tailcal`
`3499`	`3499`	`iobj->insn_id = BIN(opt_hash_freeze);`
`3500`	`3500`	`iobj->operand_size = 2;`
`3501`	`3501`	`iobj->operands = compile_data_calloc2(iseq, iobj->operand_size, sizeof(VALUE));`
`3502`		`- iobj->operands[0] = rb_cHash_empty_frozen;`
	`3502`	`+ RB_OBJ_WRITE(iseq, &iobj->operands[0], rb_cHash_empty_frozen);`
`3503`	`3503`	`iobj->operands[1] = (VALUE)ci;`
`3504`	`3504`	`ELEM_REMOVE(next);`
`3505`	`3505`	`}`