[ruby-core:116972] [Ruby master Bug#20308] `it` and numbered parameters do not work in `eval`

Issue #20308 has been updated by matheusrich (Matheus Richard).


Interesting behavior. I'd expect that to work since other "kinds of arguments" work:

```rb
def foo(*)
  eval "puts(*)"
end

def foo(**)
  eval "puts(**)"
end

def foo(...)
  eval "puts(...)"
end
```

----------------------------------------
Bug #20308: `it` and numbered parameters do not work in `eval`
https://bugs.ruby-lang.org/issues/20308#change-107019

* Author: kddnewton (Kevin Newton)
* Status: Open
* Backport: 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN
----------------------------------------
I am not sure if this is a purposeful restriction or not, so I apologize if this is not a "bug" per se.

Currently if you use `it` or `_1` (numbered parameters) in `eval` they do not work with `compile.c`:

```
irb(main):001> 1.tap { eval("_1") }
(eval):1:in `block in <top (required)>': undefined local variable or method `_1' for main:Object (NameError)
Did you mean?  _
```

They work accidentally with prism because I didn't know this wasn't allowed. Is it a bug? Or is this on purpose?



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