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* 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.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35827 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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commit e2f4f34467f90bc9bc30891c9cdb4aa82fa0e37c 1 parent 92b6597
@authorNari authorNari authored
Showing with 24 additions and 1 deletion.
  1. +7 −0 ChangeLog
  2. +3 −1 gc.c
  3. +14 −0 test/ruby/test_gc.rb
View
7 ChangeLog
@@ -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.
View
4 gc.c
@@ -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));
}
View
14 test/ruby/test_gc.rb
@@ -78,6 +78,20 @@ def obj.bar() raise "obj.foo is called, but this is obj.bar" end
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",
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