https://git.ruby-lang.org/ruby.git/commit/?id=1e2a8f7c94

From 1e2a8f7c945ddb93f083a320f6ad6536596a81ce Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Tue, 26 Jan 2021 10:30:02 +0900
Subject: vcs.rb: fix for baseruby 2.2

---
 tool/lib/vcs.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tool/lib/vcs.rb b/tool/lib/vcs.rb
index 5a33d87..c5e75b9 100644
--- a/tool/lib/vcs.rb
+++ b/tool/lib/vcs.rb
@@ -599,7 +599,8 @@ class VCS https://github.com/ruby/ruby/blob/trunk/tool/lib/vcs.rb#L599
                   s[$2.to_i, 0] = "#{$1}#{$3}\n"
                 when %r[^ +(\d+)(?:,(\d+))?d]
                   n = $1.to_i
-                  s[n..($2&.to_i || n)] = []
+                  e = $2
+                  s[n..(e ? e.to_i : n)] = []
                 end
               end
               s = s.join('')
-- 
cgit v1.1


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