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Bug #16606

closed

SimpleDelegator no longer call respond_to? on the delegated object if it's a BasicObject

Added by byroot (Jean Boussier) about 4 years ago. Updated about 4 years ago.

Status:
Closed
Assignee:
-
Target version:
-
ruby -v:
ruby 2.7.0p0 (2019-12-25 revision 647ee6f091)
[ruby-core:97051]

Description

The regression was introduced by https://bugs.ruby-lang.org/issues/16127

In short on 2.6 SimpleDelegator would always call respond_to? on the delegated object to figure if it should delegate or error.

But on 2.7 it doesn't do so if the delegated object is a BasicObject, which broke some of our code.

The fix was merged on master by @jeremyevans0 (Jeremy Evans) as f2552216d43040cd42bbb9fd484eab6c70856fe6 (https://github.com/ruby/ruby/pull/2875).

However I'd like to require a backport to the ruby_2_7 branch.

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