2 files changed, 6 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 16ac8b3f4b..46ce0afa75 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sat Dec 31 22:57:00 2005  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* eval.c (rb_thread_save_context): should not recycle scope object used
+	  in a thread.  fixed: [ruby-dev:28177]
+
 Sat Dec 31 19:50:38 2005  Hirokazu Yamamoto  <ocean@m2.ccsnet.ne.jp>
 
 	* ext/syck/rubyext.c: attribute name was truncated with Rev1.64.
diff --git a/eval.c b/eval.c
index 62a0a2a4cc..b7f681cd65 100644
--- a/eval.c
+++ b/eval.c
@@ -10131,6 +10131,7 @@ rb_thread_save_context(rb_thread_t th)
 
     th->frame = ruby_frame;
     th->scope = ruby_scope;
+    ruby_scope->flags |= SCOPE_DONT_RECYCLE;
     th->klass = ruby_class;
     th->wrapper = ruby_wrapper;
     th->cref = ruby_cref;