* eval.c (rb_thread_schedule): should not select a thread which is

  not yet initialized.

* variable.c (find_class_path): should initialize iv_tbl if it's
  NULL.

* class.c (rb_define_class): should return the existing class if
  the class is already defined and its superclass is ideintical to
  the specified superclass.

* class.c (rb_define_class_under): ditto.

* class.c (rb_define_module): should return the existing module if
  the module is already defined.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_6@1917 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 8 deletions

diff --git a/eval.c b/eval.c
index 7ee5d5ed5e..60ca4f7831 100644
--- a/eval.c
+++ b/eval.c
@@ -3082,13 +3082,7 @@ rb_eval(self, n)
 			     rb_id2name(node->nd_cname));
 		}
 		if (super) {
-		    tmp = RCLASS(klass)->super;
-		    if (FL_TEST(tmp, FL_SINGLETON)) {
-			tmp = RCLASS(tmp)->super;
-		    }
-		    while (TYPE(tmp) == T_ICLASS) {
-			tmp = RCLASS(tmp)->super;
-		    }
+		    tmp = rb_class_real(RCLASS(klass)->super);
 		    if (tmp != super) {
 			goto override_class;
 		    }
@@ -7650,7 +7644,7 @@ rb_thread_schedule()
 	    next = th;
 	    break;
 	}
-	if (th->status == THREAD_RUNNABLE) {
+	if (th->status == THREAD_RUNNABLE && th->stk_ptr) {
 	    if (!next || next->priority < th->priority) 
 	       next = th;
 	}