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* gc.c (obj_free): doesn't free a method table if it doesn't

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exits. [ruby-dev:44436]
* test/ruby/test_gc.rb (class TestGc): added the test case for
  this issue.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35827 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nari 2012-05-28 03:12:33 +00:00
parent 92b6597be6
commit e2f4f34467
3 changed files with 24 additions and 1 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
Mon May 28 12:03:04 2012 Narihiro Nakamura <authornari@gmail.com>
* gc.c (obj_free): doesn't free a method table if it doesn't
exits. [ruby-dev:44436]
* test/ruby/test_gc.rb (class TestGc): added the test case for
this issue.
Sun May 27 23:37:48 2012 Koichi Sasada <ko1@atdot.net>
* benchmark/bm_vm1_lvar_init.rb: added.

4
gc.c
View file

@ -2501,7 +2501,9 @@ obj_free(rb_objspace_t *objspace, VALUE obj)
case T_MODULE:
case T_CLASS:
rb_clear_cache_by_class((VALUE)obj);
rb_free_m_table(RCLASS_M_TBL(obj));
if (RCLASS_M_TBL(obj)) {
rb_free_m_table(RCLASS_M_TBL(obj));
}
if (RCLASS_IV_TBL(obj)) {
st_free_table(RCLASS_IV_TBL(obj));
}

14
test/ruby/test_gc.rb
View file

@ -78,6 +78,20 @@ class TestGc < Test::Unit::TestCase
EOS
end
def test_singleton_method_added
assert_in_out_err(%w[--disable-gems], <<-EOS, [], [], "[ruby-dev:44436]")
class BasicObject
def singleton_method_added(mid)
raise
end
end
b = proc {}
class << b; end
b.clone rescue nil
GC.start
EOS
end
def test_gc_parameter
env = {
"RUBY_GC_MALLOC_LIMIT" => "60000000",