From be189ae9f90df298bf3e3bf720ea053297126246 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Sun, 17 Oct 2021 08:03:24 +0900
Subject: [PATCH] codegen.c: forgot to check `s2` extensively in `super`
 codegen.

---
 mrbgems/mruby-compiler/core/codegen.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mrbgems/mruby-compiler/core/codegen.c b/mrbgems/mruby-compiler/core/codegen.c
index bf18106e8d..052371dbe9 100644
--- a/mrbgems/mruby-compiler/core/codegen.c
+++ b/mrbgems/mruby-compiler/core/codegen.c
@@ -2830,7 +2830,8 @@ codegen(codegen_scope *s, node *tree, int val)
         st++;
       }
       else {
-        gen_blkmove(s, s2->ainfo, lv);
+        if (!s2) push();
+        else gen_blkmove(s, s2->ainfo, lv);
         st++;
       }
       pop_n(st+1);