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* vm_insnhelper.c (vm_call_method): fix undefined behavior.

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Should not access scope local variable from outer scope.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37940 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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ko1 2012-11-28 13:56:29 +00:00
parent c6557c6fab
commit ff2ca81bb3
2 changed files with 8 additions and 2 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Wed Nov 28 22:54:21 2012 Koichi Sasada <ko1@atdot.net>
* vm_insnhelper.c (vm_call_method): fix undefined behavior.
Should not access scope local variable from outer scope.
Wed Nov 28 22:20:55 2012 Masaya Tarui <tarui@ruby-lang.org>
* test/ruby/test_thread.rb (test_thread_status_in_trap): change test for

5
vm_insnhelper.c
View file

@ -1698,6 +1698,7 @@ static inline VALUE
vm_call_method(rb_thread_t *th, rb_control_frame_t *cfp, rb_call_info_t *ci)
{
int enable_fastpath = 1;
rb_call_info_t ci_temp;
start_method_dispatch:
if (ci->me != 0) {
@ -1735,8 +1736,8 @@ vm_call_method(rb_thread_t *th, rb_control_frame_t *cfp, rb_call_info_t *ci)
}
case VM_METHOD_TYPE_ZSUPER:{
VALUE klass = RCLASS_SUPER(ci->me->klass);
rb_call_info_t cie = *ci;
ci = &cie;
ci_temp = *ci;
ci = &ci_temp;
ci->me = rb_method_entry(klass, ci->mid, &ci->defined_class);