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* hash.c (rb_hash_become): should check self-assignment after

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conversion.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2904 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2002-09-28 04:21:31 +00:00
parent 70dc199fdd
commit 4d23d9e7d8
2 changed files with 6 additions and 1 deletions
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ChangeLog
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@ -1,3 +1,8 @@
Sat Sep 28 13:19:29 2002 Nobuyoshi Nakada <nobu.nokada@softhome.net>
* hash.c (rb_hash_become): should check self-assignment after
conversion.
Sat Sep 28 10:40:44 2002 Yukihiro Matsumoto <matz@ruby-lang.org>
* hash.c (rb_hash_become): Hash#become should check added

2
hash.c
View file

@ -575,8 +575,8 @@ static VALUE
rb_hash_become(hash, hash2)
VALUE hash, hash2;
{
if (hash == hash2) return hash;
hash2 = to_hash(hash2);
if (hash == hash2) return hash;
rb_hash_clear(hash);
st_foreach(RHASH(hash2)->tbl, replace_i, hash);
RHASH(hash)->ifnone = RHASH(hash2)->ifnone;