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-rw-r--r--activesupport/lib/active_support/cache.rb8
1 files changed, 6 insertions, 2 deletions
diff --git a/activesupport/lib/active_support/cache.rb b/activesupport/lib/active_support/cache.rb
index 8e516de4c9..1d8a90ed0e 100644
--- a/activesupport/lib/active_support/cache.rb
+++ b/activesupport/lib/active_support/cache.rb
@@ -596,9 +596,13 @@ module ActiveSupport
# Merges the default options with ones specific to a method call.
def merged_options(call_options)
if call_options
- options.merge(call_options)
+ if options.empty?
+ call_options
+ else
+ options.merge(call_options)
+ end
else
- options.dup
+ options
end
end