Fix bug with autosave collection association on new record with a marked for destroy record in autosave collection.

1 files changed, 6 insertions, 1 deletions

diff --git a/activerecord/lib/active_record/autosave_association.rb b/activerecord/lib/active_record/autosave_association.rb
index be0af081d1..f0cfa667ed 100644
--- a/activerecord/lib/active_record/autosave_association.rb
+++ b/activerecord/lib/active_record/autosave_association.rb
@@ -328,13 +328,14 @@ module ActiveRecord
         autosave = reflection.options[:autosave]
 
         if records = associated_records_to_validate_or_save(association, @new_record_before_save, autosave)
+          records_to_destroy = []
           records.each do |record|
             next if record.destroyed?
 
             saved = true
 
             if autosave && record.marked_for_destruction?
-              association.proxy.destroy(record)
+              records_to_destroy << record
             elsif autosave != false && (@new_record_before_save || record.new_record?)
               if autosave
                 saved = association.insert_record(record, false)
@@ -347,6 +348,10 @@ module ActiveRecord
 
             raise ActiveRecord::Rollback unless saved
           end
+
+          records_to_destroy.each do |record|
+            association.proxy.destroy(record)
+          end
         end
 
         # reconstruct the scope now that we know the owner's id