https://git.ruby-lang.org/ruby.git/commit/?id=8b27c23b5d

From 8b27c23b5d55bd707a89bb5d95d2bdba9e132c1a Mon Sep 17 00:00:00 2001
From: Hiroshi SHIBATA <hsbt@r...>
Date: Mon, 11 Nov 2019 20:19:29 +0900
Subject: Try to revert the test failure with Ruby CI

  https://rubyci.org/logs/rubyci.s3.amazonaws.com/debian9/ruby-master/log/20191111T093005Z.fail.html.gz

diff --git a/lib/rubygems/core_ext/kernel_gem.rb b/lib/rubygems/core_ext/kernel_gem.rb
index e722225..fb3053f 100644
--- a/lib/rubygems/core_ext/kernel_gem.rb
+++ b/lib/rubygems/core_ext/kernel_gem.rb
@@ -61,13 +61,9 @@ module Kernel https://github.com/ruby/ruby/blob/trunk/lib/rubygems/core_ext/kernel_gem.rb#L61
 
     spec = dep.to_spec
 
-    if spec
-      if Gem::LOADED_SPECS_MUTEX.owned?
-        spec.activate
-      else
-        Gem::LOADED_SPECS_MUTEX.synchronize { spec.activate }
-      end
-    end
+    Gem::LOADED_SPECS_MUTEX.synchronize do
+      spec.activate
+    end if spec
   end
 
   private :gem
-- 
cgit v0.10.2


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