vm_eval.c: next super class from the original

* vm_eval.c (vm_call_super): search next super class from the
  original class, to get rid of infinite recursion with
  prepending.  a patch by Seiei Higa <hanachin AT gmail.com> at
  [ruby-core:68434].  [ruby-core:68093] [Bug #10847]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49867 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 1 deletions

diff --git a/vm_eval.c b/vm_eval.c
index 6eeee5f02e..4039b6c9f2 100644
--- a/vm_eval.c
+++ b/vm_eval.c
@@ -273,7 +273,8 @@ vm_call_super(rb_thread_t *th, int argc, const VALUE *argv)
 	rb_bug("vm_call_super: should not be reached");
     }
 
-    klass = RCLASS_SUPER(cfp->klass);
+    klass = RCLASS_ORIGIN(cfp->klass);
+    klass = RCLASS_SUPER(klass);
     id = cfp->me->def->original_id;
     me = rb_method_entry(klass, id, &klass);
     if (!me) {