diff --git a/bootstraptest/test_knownbug.rb b/bootstraptest/test_knownbug.rb
index 8e508da451..66944cd11e 100644
--- a/bootstraptest/test_knownbug.rb
+++ b/bootstraptest/test_knownbug.rb
@@ -209,3 +209,6 @@ assert_normal_exit %q{
   C.new.m
 }
 
+assert_normal_exit %q{
+  [1,2,3].slice!(1,10000).inspect
+}