Merge pull request #6284 from acapilleri/dup_validation

clean the erros if an object that includes validation  is duped.

1 files changed, 6 insertions, 0 deletions

diff --git a/activemodel/lib/active_model/validations.rb b/activemodel/lib/active_model/validations.rb
index 3ed72bae3b..72176e9bdd 100644
--- a/activemodel/lib/active_model/validations.rb
+++ b/activemodel/lib/active_model/validations.rb
@@ -177,6 +177,12 @@ module ActiveModel
         super
       end
     end
+    
+    # Clean the +Errors+ object if instance is duped
+    def initialize_dup(other) # :nodoc:
+      @errors = nil
+      super
+    end    
 
     # Returns the +Errors+ object that holds all information about attribute error messages.
     def errors