From d3e17eedeeed41241e297b9a8b9d26f54b40f250 Mon Sep 17 00:00:00 2001
From: Zhang Xiaohui <ruc_zhangxiaohui@163.com>
Date: Wed, 18 Nov 2020 17:07:20 +0800
Subject: Check if irep->reps is NULL in lv_defined_p

---
 src/dump.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'src/dump.c')

diff --git a/src/dump.c b/src/dump.c
index 2bc1b0a53..4bec85006 100644
--- a/src/dump.c
+++ b/src/dump.c
@@ -773,8 +773,10 @@ lv_defined_p(const mrb_irep *irep)
 
   if (irep->lv) { return TRUE; }
 
-  for (i = 0; i < irep->rlen; ++i) {
-    if (lv_defined_p(irep->reps[i])) { return TRUE; }
+  if (irep->reps) {
+    for (i = 0; i < irep->rlen; ++i) {
+      if (lv_defined_p(irep->reps[i])) { return TRUE; }
+    }
   }
 
   return FALSE;
-- 
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