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* class.c (clone_method): add GC guard to prevent intermediate

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variable from GC. [Bug #4321] [ruby-dev:43107]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30659 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nagachika 2011-01-26 13:59:20 +00:00
parent de4c25a001
commit c8e5ba0e84
2 changed files with 8 additions and 1 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Wed Jan 26 22:57:30 2011 CHIKANAGA Tomoyuki <nagachika00@gmail.com>
* class.c (clone_method): add GC guard to prevent intermediate
variable from GC. [Bug #4321] [ruby-dev:43107]
Wed Jan 26 22:45:16 2011 Tanaka Akira <akr@fsij.org> Wed Jan 26 22:45:16 2011 Tanaka Akira <akr@fsij.org>
* template/id.h.tmpl: parenthesize macro arguments. * template/id.h.tmpl: parenthesize macro arguments.

4
class.c
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@ -129,11 +129,13 @@ VALUE rb_iseq_clone(VALUE iseqval, VALUE newcbase);
static int static int
clone_method(ID mid, const rb_method_entry_t *me, struct clone_method_data *data) clone_method(ID mid, const rb_method_entry_t *me, struct clone_method_data *data)
{ {
VALUE newiseqval;
if (me->def && me->def->type == VM_METHOD_TYPE_ISEQ) { if (me->def && me->def->type == VM_METHOD_TYPE_ISEQ) {
VALUE newiseqval = rb_iseq_clone(me->def->body.iseq->self, data->klass);
rb_iseq_t *iseq; rb_iseq_t *iseq;
newiseqval = rb_iseq_clone(me->def->body.iseq->self, data->klass);
GetISeqPtr(newiseqval, iseq); GetISeqPtr(newiseqval, iseq);
rb_add_method(data->klass, mid, VM_METHOD_TYPE_ISEQ, iseq, me->flag); rb_add_method(data->klass, mid, VM_METHOD_TYPE_ISEQ, iseq, me->flag);
RB_GC_GUARD(newiseqval);
} }
else { else {
rb_method_entry_set(data->klass, mid, me, me->flag); rb_method_entry_set(data->klass, mid, me, me->flag);