Merge branch 'master' into rm-uuid-fixtures

Conflicts:
	activerecord/CHANGELOG.md
	activesupport/CHANGELOG.md

1 files changed, 4 insertions, 3 deletions

diff --git a/railties/lib/rails/application.rb b/railties/lib/rails/application.rb
index dd650e9631..8d080feb04 100644
--- a/railties/lib/rails/application.rb
+++ b/railties/lib/rails/application.rb
@@ -87,7 +87,7 @@ module Rails
     class << self
       def inherited(base)
         super
-        Rails.application ||= base.instance
+        base.instance
       end
 
       # Makes the +new+ method public.
@@ -117,6 +117,8 @@ module Rails
       @railties          = nil
       @message_verifiers = {}
 
+      Rails.application ||= self
+
       add_lib_to_load_path!
       ActiveSupport.run_load_hooks(:before_configuration, self)
 
@@ -151,14 +153,13 @@ module Rails
     def key_generator
       # number of iterations selected based on consultation with the google security
       # team. Details at https://github.com/rails/rails/pull/6952#issuecomment-7661220
-      @caching_key_generator ||= begin
+      @caching_key_generator ||=
         if secrets.secret_key_base
           key_generator = ActiveSupport::KeyGenerator.new(secrets.secret_key_base, iterations: 1000)
           ActiveSupport::CachingKeyGenerator.new(key_generator)
         else
           ActiveSupport::LegacyKeyGenerator.new(config.secret_token)
         end
-      end
     end
 
     # Returns a message verifier object.