From 1bb3818bea87d764ca39998583d9961dd303dc0e Mon Sep 17 00:00:00 2001
From: glass <glass@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 10 May 2015 02:06:06 +0000
Subject: temp

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50451 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 enum.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'enum.c')

diff --git a/enum.c b/enum.c
index a49e4b0b74..d378e48967 100644
--- a/enum.c
+++ b/enum.c
@@ -515,7 +515,14 @@ enum_flat_map(VALUE obj)
 static VALUE
 enum_to_a(int argc, VALUE *argv, VALUE obj)
 {
-    VALUE ary = rb_ary_new();
+    VALUE ary, size = rb_check_funcall(obj, id_size, 0, 0);
+
+    if (size == Qundef) {
+	ary = rb_ary_new();
+    }
+    else {
+	ary = rb_ary_new2(NUM2LONG(size));
+    }
 
     rb_block_call(obj, id_each, argc, argv, collect_all, ary);
     OBJ_INFECT(ary, obj);
-- 
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