Merge pull request #5147 from hifoolno/patch1

Check if irep->reps is NULL in lv_defined_p

Merge pull request #5147 from hifoolno/patch1
Check if irep->reps is NULL in lv_defined_p
b9c80a53 · Yukihiro "Matz" Matsumoto · GitHub · e0df3035 · d3e17eed · b9c80a53
Unverified Commit b9c80a53 authored Nov 18, 2020 by Yukihiro "Matz" Matsumoto Committed by GitHub Nov 18, 2020
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Showing with 4 additions and 2 deletions

src/dump.c src/dump.c +4 -2

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--- 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;