From 2d48ffe69ebebf712fe934309fc014e8b37d8959 Mon Sep 17 00:00:00 2001
From: Peter Zhu <peter@peterzhu.ca>
Date: Wed, 27 Mar 2024 11:33:17 -0400
Subject: [PATCH] Use rb_iseqw_to_iseq to get iseq pointer

Using DATA_PTR is internal implementation details so we should not use it.
---
 ext/debug/debug.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ext/debug/debug.c b/ext/debug/debug.c
index 5404c92d2..b27263d46 100644
--- a/ext/debug/debug.c
+++ b/ext/debug/debug.c
@@ -8,13 +8,13 @@ static VALUE rb_mDebugger;
 
 // iseq
 typedef struct rb_iseq_struct rb_iseq_t;
+const rb_iseq_t *rb_iseqw_to_iseq(VALUE iseqw);
 VALUE rb_iseq_realpath(const rb_iseq_t *iseq);
 
 static VALUE
 iseq_realpath(VALUE iseqw)
 {
-    rb_iseq_t *iseq = DATA_PTR(iseqw);
-    return rb_iseq_realpath(iseq);
+    return rb_iseq_realpath(rb_iseqw_to_iseq(iseqw));
 }
 
 static VALUE rb_cFrameInfo;