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* vm_eval.c (rb_catch_obj): add volatile to tag to prevent crash

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experimentally.
  http://www.rubyist.net/~akr/chkbuild/debian/ruby-trunk/log/20130515T133500Z.log.html.gz

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40785 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
naruse 2013-05-16 08:17:00 +00:00
parent 67f562a417
commit 940a99ac7c
2 changed files with 8 additions and 1 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
Thu May 16 17:15:32 2013 NARUSE, Yui <naruse@ruby-lang.org>
* vm_eval.c (rb_catch_obj): add volatile to tag to prevent crash
experimentally.
http://www.rubyist.net/~akr/chkbuild/debian/ruby-trunk/log/20130515T133500Z.log.html.gz
Thu May 16 16:19:50 2013 Nobuyoshi Nakada <nobu@ruby-lang.org>
* win32/Makefile.sub (verconf.in): no longer used.

3
vm_eval.c
View file

@ -1798,12 +1798,13 @@ rb_catch(const char *tag, VALUE (*func)(), VALUE data)
}
VALUE
rb_catch_obj(VALUE tag, VALUE (*func)(), VALUE data)
rb_catch_obj(VALUE t, VALUE (*func)(), VALUE data)
{
int state;
volatile VALUE val = Qnil; /* OK */
rb_thread_t *th = GET_THREAD();
rb_control_frame_t *saved_cfp = th->cfp;
volatile VALUE tag = t;
TH_PUSH_TAG(th);