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* hash.c (hash_aset_str): Use rb_fstring() to de-duplicate hash string

keys. Patch by Eric Wong. [Bug #8998] [ruby-core:57727]
* test/ruby/test_hash.rb (class TestHash): test for above.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43870 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
tmm1 2013-11-27 05:28:55 +00:00
parent 26e969182b
commit 0c3b3e9237
3 changed files with 15 additions and 1 deletions

View file

@ -1,3 +1,9 @@
Wed Nov 27 14:24:55 2013 Aman Gupta <ruby@tmm1.net>
* hash.c (hash_aset_str): Use rb_fstring() to de-duplicate hash string
keys. Patch by Eric Wong. [Bug #8998] [ruby-core:57727]
* test/ruby/test_hash.rb (class TestHash): test for above.
Wed Nov 27 10:39:39 2013 Aman Gupta <ruby@tmm1.net>
* gc.c: Rename rb_heap_t members:

4
hash.c
View file

@ -1262,7 +1262,9 @@ static int
hash_aset_str(st_data_t *key, st_data_t *val, struct update_arg *arg, int existing)
{
if (!existing) {
*key = rb_str_new_frozen((VALUE)*key);
VALUE str = (VALUE)*key;
if (!OBJ_FROZEN(str))
*key = rb_fstring((VALUE)*key);
}
return hash_aset(key, val, arg, existing);
}

View file

@ -209,6 +209,12 @@ class TestHash < Test::Unit::TestCase
assert_equal(256, h[z])
end
def test_ASET_string
a = {"ABC" => :t}
b = {"ABC" => :t}
assert_equal a.keys[0].object_id, b.keys[0].object_id
end
def test_EQUAL # '=='
h1 = @cls[ "a" => 1, "c" => 2 ]
h2 = @cls[ "a" => 1, "c" => 2, 7 => 35 ]