[ruby-core:121952] [Ruby Bug#21318] Namespaces leak with permanent names

[ruby-core:121952] [Ruby Bug#21318] Namespaces leak with permanent names

[fxn (Xavier Noria) via ruby-core]

Issue #21318 has been reported by fxn (Xavier Noria).

----------------------------------------
Bug #21318: Namespaces leak with permanent names
https://bugs.ruby-lang.org/issues/21318

* Author: fxn (Xavier Noria)
* Status: Open
* Backport: 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN
----------------------------------------
Namespaces are not transparent for this program:

```ruby
Module.nesting
```

The nesting is empty or not depending on whether it is being executed under a namespace.



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[ruby-core:121953] [Ruby Bug#21318] Namespaces leak with Module.nesting

[fxn (Xavier Noria) via ruby-core]

Issue #21318 has been updated by fxn (Xavier Noria).

Subject changed from Namespaces leak with permanent names to Namespaces leak with Module.nesting

Namespaces are not transparent for this program:

```ruby
Module.nesting
```

The nesting is empty or not depending on whether it is being executed under a namespace.

----------------------------------------
Bug #21318: Namespaces leak with Module.nesting
https://bugs.ruby-lang.org/issues/21318#change-113070

* Author: fxn (Xavier Noria)
* Status: Open
* Backport: 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN
----------------------------------------
Namespaces are not transparent for this program:

```ruby
Module.nesting
```

The nesting is empty or not depending on whether it is being executed under a namespace.



-- 
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[ruby-core:121980] [Ruby Bug#21318] Namespaces leak with Module.nesting

[Eregon (Benoit Daloze) via ruby-core]

Issue #21318 has been updated by Eregon (Benoit Daloze).


Complete reproducer:
```
$ RUBY_NAMESPACE=1 ruby -ve 'p Module.nesting; ns = Namespace.new; File.write "ns.rb", "p Module.nesting"; ns.require "./ns"'
ruby 3.5.0dev (2025-05-10T07:50:29Z namespace-on-read-.. bd4f57f96b) +PRISM [x86_64-linux]
ruby: warning: Namespace is experimental, and the behavior may change in the future!
See doc/namespace.md for know issues, etc.
[]
[#<Namespace:24,user,optional>]
```

----------------------------------------
Bug #21318: Namespaces leak with Module.nesting
https://bugs.ruby-lang.org/issues/21318#change-113097

* Author: fxn (Xavier Noria)
* Status: Open
* Backport: 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN
----------------------------------------
Namespaces are not transparent for this program:

```ruby
Module.nesting
```

The nesting is empty or not depending on whether it is being executed under a namespace.



-- 
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