Check `lv` before printing local variable names.

ff0e3bce · Yukihiro "Matz" Matsumoto · 8b3f3c0b · ff0e3bce
Unverified Commit ff0e3bce authored Jul 22, 2020 by Yukihiro "Matz" Matsumoto
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src/codedump.c src/codedump.c +1 -0

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--- a/src/codedump.c
+++ b/src/codedump.c
@@ -11,6 +11,7 @@ print_r(mrb_state *mrb, const mrb_irep *irep, size_t n)
 {
  if (n == 0) return;
  if (n > irep->nlocals) return;
+  if (!irep->lv[n-1]) return;
  printf(" R%d:%s", (int)n, mrb_sym_dump(mrb, irep->lv[n-1]));
 }