From: "shugo (Shugo Maeda)" <noreply@...>
Date: 2022-09-22T23:55:48+00:00
Subject: [ruby-core:110019] [Ruby master Bug#18960] Module#using raises RuntimeError when called at toplevel from wrapped script

Issue #18960 has been updated by shugo (Shugo Maeda).


I guess SEGV is caused by `using` in a method body, which should be prohibited even in a wrapped script.

----------------------------------------
Bug #18960: Module#using raises RuntimeError when called at toplevel from wrapped script
https://bugs.ruby-lang.org/issues/18960#change-99270

* Author: shioyama (Chris Salzberg)
* Status: Open
* Priority: Normal
* ruby -v: 3.1.2p20
* Backport: 2.7: UNKNOWN, 3.0: UNKNOWN, 3.1: UNKNOWN
----------------------------------------
I noticed that this file works when loaded with `load`, but fails if you pass `true` (or a module) as the `wrap` argument.

```ruby
# using.rb
using Module.new
```

This works:

```ruby
load "./using.rb"
```

This doesn't:
```ruby
load "./using.rb", true
# raises RuntimeError (main.using is permitted only at toplevel)
```

I believe the latter should work.



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