From 1933e2660c86c0731806993a9a212116bb454622 Mon Sep 17 00:00:00 2001
From: Masaki Muranaka <monaka@monami-ya.jp>
Date: Wed, 24 Oct 2012 17:00:54 +0900
Subject: Use substitution instead of memset in structure initialization.

---
 src/vm.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'src/vm.c')

diff --git a/src/vm.c b/src/vm.c
index 693e2413a..120e0d4c0 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -100,15 +100,16 @@ stack_extend(mrb_state *mrb, int room, int keep)
     envadjust(mrb, oldbase, mrb->stbase);
   }
   if (room > keep) {
-#ifndef MRB_NAN_BOXING
-    memset(mrb->stack+keep, 0, sizeof(mrb_value) * (room-keep));
-#else
     int i;
 
     for (i=keep; i<room; i++) {
+#ifndef MRB_NAN_BOXING
+      static const mrb_value mrb_value_zero = { { 0 } };
+      mrb->stack[i] = mrb_value_zero;
+#else
       SET_NIL_VALUE(mrb->stack[i]);
-    }
 #endif
+    }
   }
 }
 
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