* array.c (rb_ary_product): need to set the length in order to get

  the entries marked.  [ruby-dev:41540]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28184 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 8 insertions, 0 deletions

diff --git a/test/ruby/envutil.rb b/test/ruby/envutil.rb
index 1839ed6da5..1824e548ed 100644
--- a/test/ruby/envutil.rb
+++ b/test/ruby/envutil.rb
@@ -130,6 +130,14 @@ module EnvUtil
     return stderr
   end
   module_function :verbose_warning
+
+  def under_gc_stress
+    stress, GC.stress = GC.stress, true
+    yield
+  ensure
+    GC.stress = stress
+  end
+  module_function :under_gc_stress
 end
 
 module Test