Fix a bug where AR::RecordNotSaved loses error messages

Since 3e30c5d, it started ignoring the given error message. This commit
changes the behavior of AR::RecordNotSaved#initialize so that it no
longer loses the given error message.

2 files changed, 3 insertions, 3 deletions

diff --git a/activerecord/lib/active_record/errors.rb b/activerecord/lib/active_record/errors.rb
index 14819aab54..fc28ab585f 100644
--- a/activerecord/lib/active_record/errors.rb
+++ b/activerecord/lib/active_record/errors.rb
@@ -54,9 +54,9 @@ module ActiveRecord
   class RecordNotSaved < ActiveRecordError
     attr_reader :record
 
-    def initialize(record)
+    def initialize(message, record = nil)
       @record = record
-      super()
+      super(message)
     end
   end
 
diff --git a/activerecord/lib/active_record/persistence.rb b/activerecord/lib/active_record/persistence.rb
index 8d84a3acae..99e104598b 100644
--- a/activerecord/lib/active_record/persistence.rb
+++ b/activerecord/lib/active_record/persistence.rb
@@ -139,7 +139,7 @@ module ActiveRecord
     # Attributes marked as readonly are silently ignored if the record is
     # being updated.
     def save!(*)
-      create_or_update || raise(RecordNotSaved, self)
+      create_or_update || raise(RecordNotSaved.new(nil, self))
     end
 
     # Deletes the record in the database and freezes this instance to