From 2f6821a7c4e7a52ddc6476ab3fbccf1880be5935 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 30 Mar 2016 08:21:18 +0000
Subject: hash.c: init table with size

* hash.c (rb_hash_s_create): allocate internal table with the
  given size.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54435 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 hash.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hash.c b/hash.c
index fa323a1f4e..dfc54f0bb9 100644
--- a/hash.c
+++ b/hash.c
@@ -692,6 +692,9 @@ rb_hash_s_create(int argc, VALUE *argv, VALUE klass)
     }
 
     hash = hash_alloc(klass);
+    if (argc > 0) {
+        RHASH(hash)->ntbl = st_init_table_with_size(&objhash, argc / 2);
+    }
     for (i=0; i<argc; i+=2) {
         rb_hash_aset(hash, argv[i], argv[i + 1]);
     }
-- 
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