From ff3a5ebed6ffbe3e70481531cfb969b497aa73ad Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Tue, 15 Feb 2022 18:36:38 +0900
Subject: [PATCH] vm.c: should check type before hash access.

Since the operand of double splat (`**`) may not be a hash, simple
assertion (previous code since d42a64e) was not enough for this case.
---
 src/vm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/vm.c b/src/vm.c
index 6133cbccac..9cb50847f2 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -2766,7 +2766,7 @@ mrb_vm_exec(mrb_state *mrb, const struct RProc *proc, const mrb_code *pc)
       int lim = a+b*2+1;
 
       hash = regs[a];
-      mrb_assert(mrb_hash_p(hash));
+      mrb_ensure_hash_type(mrb, hash);
       for (i=a+1; i<lim; i+=2) {
         mrb_hash_set(mrb, hash, regs[i], regs[i+1]);
       }