[ruby-core:121183] [Ruby master Bug#21159] `Module#set_temporary_name` should freeze given name
From:
"ko1 (Koichi Sasada) via ruby-core" <ruby-core@...>
Date:
2025-02-26 20:22:15 UTC
List:
ruby-core #121183
Issue #21159 has been reported by ko1 (Koichi Sasada).
----------------------------------------
Bug #21159: `Module#set_temporary_name` should freeze given name
https://bugs.ruby-lang.org/issues/21159
* Author: ko1 (Koichi Sasada)
* Status: Open
* Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN
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I think it is preferable to freeze the name.
So `#set_temporary_name` should copy and freeze the name string.
```ruby
c = Class.new.set_temporary_name(str = +'<c>')
p c #=> <c>
str.upcase!
p c #=> actual: <C>
#=> expected: <c>
p c.name.frozen?
#=> actual: false
#=> expected: true
```
>>From the Ractor's aspect, shareable modules should refer only immutable string.
--
https://bugs.ruby-lang.org/
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