1 files changed, 10 insertions, 0 deletions
diff --git a/sample/test.rb b/sample/test.rb
index 104ff2900d..4ee6ddcec8 100644
--- a/sample/test.rb
+++ b/sample/test.rb
@@ -1329,6 +1329,16 @@ begin
 rescue
   test_ok false
 end
+class S
+  def initialize(a)
+    @a = a
+  end
+end
+l=nil
+100000.times {
+  l = S.new(l)
+}
+test_ok true   # reach here or dumps core
 
 if $failed > 0
   printf "test: %d failed %d\n", $ntest, $failed