From fdd3eed037feabaf2daaa9e1ccec22ad751c5b03 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20Rodr=C3=ADguez?= <deivid.rodriguez@riseup.net>
Date: Thu, 4 Nov 2021 13:12:32 +0100
Subject: [PATCH] [rubygems/rubygems] Set `@@all` variable at class definition
 time

To spare the `defined?` check.

https://github.com/rubygems/rubygems/commit/64d27bba01
---
 lib/rubygems/specification.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/rubygems/specification.rb b/lib/rubygems/specification.rb
index d684ff0ced..1c7632fd37 100644
--- a/lib/rubygems/specification.rb
+++ b/lib/rubygems/specification.rb
@@ -182,6 +182,7 @@ class Gem::Specification < Gem::BasicSpecification
     @@default_value[k].nil?
   end
 
+  @@all = nil
   @@stubs = nil
   @@stubs_by_name = {}
 
@@ -748,7 +749,7 @@ class Gem::Specification < Gem::BasicSpecification
   attr_accessor :specification_version
 
   def self._all # :nodoc:
-    unless defined?(@@all) && @@all
+    unless @@all
       @@all = stubs.map(&:to_spec)
 
       # After a reset, make sure already loaded specs