[ruby-core:113763] [Ruby master Bug#19711] NoMethodError "private method `new' called for class" since bebd05fb51ea65bc57344b67100748200f8311eb

Issue #19711 has been updated by byroot (Jean Boussier).


> do you have any opinion on Rails' usage as outlined above?

Before even looking at the issue, we'll fix it if necessary, but we need advance notice first, otherwise this will cause a mess for people upgrading to 3.3.

----------------------------------------
Bug #19711: NoMethodError "private method `new' called for class" since bebd05fb51ea65bc57344b67100748200f8311eb
https://bugs.ruby-lang.org/issues/19711#change-103409

* Author: yahonda (Yasuo Honda)
* Status: Open
* Priority: Normal
* ruby -v: ruby 3.3.0dev (2023-06-03T00:35:18Z master bebd05fb51) [x86_64-linux]
* Backport: 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: UNKNOWN
----------------------------------------
Rails CI against ruby3.3.0dev has been failing https://buildkite.com/rails/rails/builds/96929#0188841c-cf1f-46d6-b48b-f510a5675262/1069-1078
According to git bisect, this change has been triggered via bebd05fb51ea65bc57344b67100748200f8311eb

### Steps to reproduce (that may not be minimum though)

```
$ gem install activesupport
$irb
require 'active_support/deprecation'
klass = Class.new(ActiveSupport::Deprecation)
deprecator = klass.new
```

### Expected behavior
It should successfully work as the previous commit does.

```
$ ruby -v
ruby 3.3.0dev (2023-06-02T21:16:52Z master 4e26ae3cb9) [x86_64-linux]
$ gem install activesupport
Successfully installed activesupport-7.0.5
Parsing documentation for activesupport-7.0.5
Done installing documentation for activesupport after 1 seconds
1 gem installed
$ irb
irb(main):001:0> require 'active_support/deprecation'
=> true
irb(main):002:0> klass = Class.new(ActiveSupport::Deprecation)
=> #<Class:0x00007f683e01a5b0>
irb(main):003:0> deprecator = klass.new
=>
#<#<Class:0x00007f683e01a5b0>:0x00007f683e2207b0
...
irb(main):004:0>
```

### Actual behavior

It gets "(irb):5:in `<main>': private method `new' called for class #<Class:0x00007fbd57dd9b10> (NoMethodError)"

```
$ ruby -v
ruby 3.3.0dev (2023-06-03T00:35:18Z master bebd05fb51) [x86_64-linux]
$ gem install activesupport
Successfully installed activesupport-7.0.5
Parsing documentation for activesupport-7.0.5
Done installing documentation for activesupport after 1 seconds
1 gem installed
$ irb
irb(main):001:0> require 'active_support/deprecation'
=> true
irb(main):002:0> klass = Class.new(ActiveSupport::Deprecation)
irb(main):003:0> deprecator = klass.new
(irb):3:in `<main>': private method `new' called for class #<Class:0x00007f7e13282bc8> (NoMethodError)
	from <internal:kernel>:187:in `loop'
	from /home/yahonda/.rbenv/versions/trunk/lib/ruby/gems/3.3.0+0/gems/irb-1.7.0/exe/irb:9:in `<top (required)>'
	from /home/yahonda/.rbenv/versions/trunk/bin/irb:25:in `load'
	from /home/yahonda/.rbenv/versions/trunk/bin/irb:25:in `<main>'
irb(main):004:0>
irb(main):003:0> require 'active_support/deprecation'
=> true
irb(main):004:0>       klass = Class.new(ActiveSupport::Deprecation)
=> #<Class:0x00007fbd57dd9b10>
irb(main):005:0>       deprecator = klass.new
(irb):5:in `<main>': private method `new' called for class #<Class:0x00007fbd57dd9b10> (NoMethodError)
	from <internal:kernel>:187:in `loop'
	from /home/yahonda/.rbenv/versions/trunk/lib/ruby/gems/3.3.0+0/gems/irb-1.7.0/exe/irb:9:in `<top (required)>'
	from /home/yahonda/.rbenv/versions/trunk/bin/irb:25:in `load'
	from /home/yahonda/.rbenv/versions/trunk/bin/irb:25:in `<main>'
irb(main):006:0>



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