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-rw-r--r--lib/date.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/date.rb b/lib/date.rb
index b8c15a420a4..3e3e33de7aa 100644
--- a/lib/date.rb
+++ b/lib/date.rb
@@ -711,7 +711,7 @@ class Date
alias_method :__#{id.to_i}__, :#{id.to_s}
private :__#{id.to_i}__
def #{id.to_s}(*args, &block)
- if @__#{id.to_i}__
+ if defined? @__#{id.to_i}__
@__#{id.to_i}__
elsif ! self.frozen?
@__#{id.to_i}__ ||= __#{id.to_i}__(*args, &block)