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-rw-r--r--activesupport/lib/active_support/cache.rb3
1 files changed, 3 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/cache.rb b/activesupport/lib/active_support/cache.rb
index 83174d3a85..a048427d5b 100644
--- a/activesupport/lib/active_support/cache.rb
+++ b/activesupport/lib/active_support/cache.rb
@@ -1,4 +1,7 @@
require 'benchmark'
+require 'active_support/core_ext/benchmark'
+require 'active_support/core_ext/exception'
+require 'active_support/core_ext/class/attribute_accessors'
module ActiveSupport
# See ActiveSupport::Cache::Store for documentation.