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-rw-r--r--activesupport/lib/active_support/file_evented_update_checker.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/file_evented_update_checker.rb b/activesupport/lib/active_support/file_evented_update_checker.rb
index d63c8e2438..ca3788a187 100644
--- a/activesupport/lib/active_support/file_evented_update_checker.rb
+++ b/activesupport/lib/active_support/file_evented_update_checker.rb
@@ -144,6 +144,7 @@ module ActiveSupport
}
end
+ # Array#- preserves order.
directories - descendants
end
end