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fix null m_tbl

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* class.c (rb_obj_singleton_methods): m_tbl in prepended class/module
  is NULL.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36238 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2012-06-27 13:40:34 +00:00
parent cf3a8f09b8
commit d4269d7b7c
2 changed files with 10 additions and 2 deletions
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6
class.c
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@ -1172,12 +1172,14 @@ rb_obj_singleton_methods(int argc, VALUE *argv, VALUE obj)
klass = CLASS_OF(obj);
list = st_init_numtable();
if (klass && FL_TEST(klass, FL_SINGLETON)) {
st_foreach(RCLASS_M_TBL(klass), method_entry_i, (st_data_t)list);
if (RCLASS_M_TBL(klass))
st_foreach(RCLASS_M_TBL(klass), method_entry_i, (st_data_t)list);
klass = RCLASS_SUPER(klass);
}
if (RTEST(recur)) {
while (klass && (FL_TEST(klass, FL_SINGLETON) || RB_TYPE_P(klass, T_ICLASS))) {
st_foreach(RCLASS_M_TBL(klass), method_entry_i, (st_data_t)list);
if (RCLASS_M_TBL(klass))
st_foreach(RCLASS_M_TBL(klass), method_entry_i, (st_data_t)list);
klass = RCLASS_SUPER(klass);
}
}

6
test/ruby/test_module.rb
View file

@ -1284,4 +1284,10 @@ class TestModule < Test::Unit::TestCase
bug6655 = '[ruby-core:45915]'
assert_equal(Object.instance_methods, Class.new {prepend Module.new}.instance_methods, bug6655)
end
def test_prepend_singleton_methods
o = Object.new
o.singleton_class.class_eval {prepend Module.new}
assert_equal([], o.singleton_methods)
end
end