From e86c9cb57c0ee799ca66d18612e15c6c8983f872 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Mon, 30 Aug 2021 07:35:58 +0900
Subject: Do no use return values from `mrb_ensure_` functions.

They return the checking argument without modification, so the values
are already there. Maybe we should change the return type to `void` but
keep them unchanged for compatibility.
---
 src/vm.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'src/vm.c')

diff --git a/src/vm.c b/src/vm.c
index 50ad3b31d..a8120f5a5 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -2671,7 +2671,8 @@ RETRY_TRY_BLOCK:
       int i;
       int lim = a+b*2+1;
 
-      hash = mrb_ensure_hash_type(mrb, regs[a]);
+      hash = regs[a];
+      mrb_ensure_hash_type(mrb, hash);
       for (i=a+1; i<lim; i+=2) {
         mrb_hash_set(mrb, hash, regs[i], regs[i+1]);
       }
@@ -2679,8 +2680,9 @@ RETRY_TRY_BLOCK:
       NEXT;
     }
     CASE(OP_HASHCAT, B) {
-      mrb_value hash = mrb_ensure_hash_type(mrb, regs[a]);
+      mrb_value hash = regs[a];
 
+      mrb_ensure_hash_type(mrb, hash);
       mrb_hash_merge(mrb, hash, regs[a+1]);
       mrb_gc_arena_restore(mrb, ai);
       NEXT;
-- 
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