* hash.c (rb_hash_keys): set array capa to RHASH_SIZE().

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41924 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/hash.c b/hash.c
index 903cca24a0..448476a2c1 100644
--- a/hash.c
+++ b/hash.c
@@ -1651,7 +1651,7 @@ rb_hash_keys(VALUE hash)
 {
     VALUE ary;
 
-    ary = rb_ary_new();
+    ary = rb_ary_new_capa(RHASH_SIZE(hash));
     rb_hash_foreach(hash, keys_i, ary);
 
     return ary;