Rails Issue #19192 - reproduction script diff

reproduction.diff

diff --git a/produce.rb b/produce.rb
index 9c531f3..ad34718 100644
--- a/produce.rb
+++ b/produce.rb
@@ -31,10 +31,11 @@ ActiveRecord::Schema.define do
   create_table :post_tags, force: true do |t|
     t.integer :post_id
     t.integer :tag_id
+    t.datetime :created_at
   end

   create_table :tags, force: true do |t|
-    t.tag_name
+    t.string :tag_name
   end

 end
@@ -62,6 +63,7 @@ end

 class BugTest < Minitest::Test
   def test_association_stuff
+    posts = []

     15.times do |i|
       posts << Post.create!
@@ -71,6 +73,7 @@ class BugTest < Minitest::Test
       post.tags.create!
     end

+    post = posts.sample
     post.comments << Comment.create!

     assert_equal 15, Post.order('posts.id desc').includes(:tags).order('post_tags.created_at').limit(15).count