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-rw-r--r--ext/psych/lib/psych/visitors/visitor.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/psych/lib/psych/visitors/visitor.rb b/ext/psych/lib/psych/visitors/visitor.rb
index 35f8f81f184..e2585c0c774 100644
--- a/ext/psych/lib/psych/visitors/visitor.rb
+++ b/ext/psych/lib/psych/visitors/visitor.rb
@@ -12,7 +12,7 @@ module Psych
def self.dispatch_cache
Hash.new do |hash, klass|
hash[klass] = :"visit_#{klass.name.gsub('::', '_')}"
- end
+ end.compare_by_identity
end
if defined?(Ractor)