1 files changed, 2 insertions, 0 deletions
diff --git a/lib/irb/workspace.rb b/lib/irb/workspace.rb
index 78d434d106..8157e21644 100644
--- a/lib/irb/workspace.rb
+++ b/lib/irb/workspace.rb
@@ -57,6 +57,8 @@ EOF
                           __FILE__,
                           __LINE__ - 3)
         when 4  # binding is a copy of TOPLEVEL_BINDING (default)
+          # Note that this will typically be IRB::TOPLEVEL_BINDING (see exe/irb)
+          # This is to avoid RubyGems' local variables (see issue #17623)
           @binding = TOPLEVEL_BINDING.dup
         end
       end