From c70159b3562e09a37577b4c6913de3ec7b8f06b4 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Fri, 24 Sep 2021 17:10:11 +0900
Subject: [PATCH] Revert "vm.c: add assertions instead of
 `mrb_ensure_hash_type()`."

This reverts commit 913a0a5a036664ab0d12a1af40b652412301c89f.
In some cases, `OP_HASHADD` operand may not be `Hash`. We should check
explicitly in those cases.
---
 src/vm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/vm.c b/src/vm.c
index b9957e5f0e..abb5d0c85d 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -2687,7 +2687,7 @@ 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_type(hash) == MRB_TT_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]);
       }
@@ -2697,7 +2697,7 @@ mrb_vm_exec(mrb_state *mrb, const struct RProc *proc, const mrb_code *pc)
     CASE(OP_HASHCAT, B) {
       mrb_value hash = regs[a];
 
-      mrb_assert(mrb_type(hash) == MRB_TT_HASH);
+      mrb_ensure_hash_type(mrb, hash);
       mrb_hash_merge(mrb, hash, regs[a+1]);
       mrb_gc_arena_restore(mrb, ai);
       NEXT;