[ruby-core:120358] [Ruby master Bug#20970] `it /1/i` raises undefined method 'it' for main (NoMethodError) even if binding.local_variables includes `it`

["k0kubun (Takashi Kokubun) via ruby-core" <ruby-core@ml.ruby-lang.org>]

Issue #20970 has been updated by k0kubun (Takashi Kokubun).


No, Prism is all set from my perspective. Thank you for checking on it.

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Bug #20970: `it /1/i` raises undefined method 'it' for main (NoMethodError) even if binding.local_variables includes `it`
https://bugs.ruby-lang.org/issues/20970#change-111137

* Author: tompng (tomoya ishida)
* Status: Open
* ruby -v: ruby 3.4.0dev (2024-12-19T07:16:12Z master 335bba0fde) +PRISM [x86_64-linux]
* Backport: 3.1: DONTNEED, 3.2: DONTNEED, 3.3: DONTNEED
----------------------------------------
`it` parameter became a local variable with #20965, but it does not behave like local variable with `--parser=prism`

~~~ruby
i=2
42.tap do
  p it # 42
  p local_variables # [:it, :i]
  p it /1/i # should be 21, got NoMethodError
end
~~~


It prints `42`, `[:it, :i], `21` with `--parser=parse.y`




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