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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2014-02-21 11:42:03 +0000
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2014-02-21 11:42:03 +0000
commit1f29e8e2baa548bba9e385ebbade2198b4cc3859 (patch)
treef2a3cd8fc4533cf4ca850c37f317357bcb09553d /hash.c
parent5258f67d179757c9d0e4db115691e6a02d07da48 (diff)
class.c: do nothing if copying self
* class.c (rb_mod_init_copy): do nothing if copying self. [ruby-dev:47989] [Bug #9535] * hash.c (rb_hash_initialize_copy): ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45076 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'hash.c')
-rw-r--r--hash.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/hash.c b/hash.c
index 87438df..ccc0d44 100644
--- a/hash.c
+++ b/hash.c
@@ -1403,6 +1403,8 @@ rb_hash_initialize_copy(VALUE hash, VALUE hash2)
Check_Type(hash2, T_HASH);
+ if (hash == hash2) return hash;
+
ntbl = RHASH(hash)->ntbl;
if (RHASH(hash2)->ntbl) {
if (ntbl) st_free_table(ntbl);