Merge pull request rails#13514 from kuldeepaggarwal/f-removed-warnings

Removed warnings: setting `changed_attributes` instance variable if it is already initialized.
kushkella · Dec 28, 2013 · f66f483 · f66f483
2 parents c60eddd + e8253d3
commit f66f483
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/activerecord/lib/active_record/persistence.rb b/activerecord/lib/active_record/persistence.rb
@@ -181,7 +181,7 @@ def becomes(klass)
       became = klass.new
       became.instance_variable_set("@attributes", @attributes)
       became.instance_variable_set("@attributes_cache", @attributes_cache)
-      became.instance_variable_set("@changed_attributes", @changed_attributes)
+      became.instance_variable_set("@changed_attributes", @changed_attributes) if defined?(@changed_attributes)
       became.instance_variable_set("@new_record", new_record?)
       became.instance_variable_set("@destroyed", destroyed?)
       became.instance_variable_set("@errors", errors)