https://git.ruby-lang.org/ruby.git/commit/?id=b870ca5879

From b870ca58791e576f5dbb263f54ae433a7f6d65ee Mon Sep 17 00:00:00 2001
From: Kazuhiro NISHIYAMA <zn@m...>
Date: Fri, 30 Aug 2019 12:49:27 +0900
Subject: Add guard as same as `==`

Try to fix failure at https://github.com/ruby/ruby/runs/207580232#step:10:382
```
       undefined method `name' for "Gemfile.lock":String
       /home/runner/work/ruby/ruby/lib/bundler/resolver/spec_group.rb:65:in `eql?'
```

diff --git a/lib/bundler/resolver/spec_group.rb b/lib/bundler/resolver/spec_group.rb
index 119f63b..e5772ee 100644
--- a/lib/bundler/resolver/spec_group.rb
+++ b/lib/bundler/resolver/spec_group.rb
@@ -62,6 +62,7 @@ module Bundler https://github.com/ruby/ruby/blob/trunk/lib/bundler/resolver/spec_group.rb#L62
       end
 
       def eql?(other)
+        return unless other.is_a?(SpecGroup)
         name.eql?(other.name) &&
           version.eql?(other.version) &&
           source.eql?(other.source)
-- 
cgit v0.10.2


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