[ruby-core:120342] [Ruby master Bug#20973] `it` in pattern matching pin operator causes BUG
From:
"ktsj (Kazuki Tsujimoto) via ruby-core" <ruby-core@...>
Date:
2024-12-20 06:55:35 UTC
List:
ruby-core #120342
Issue #20973 has been reported by ktsj (Kazuki Tsujimoto).
----------------------------------------
Bug #20973: `it` in pattern matching pin operator causes BUG
https://bugs.ruby-lang.org/issues/20973
* Author: ktsj (Kazuki Tsujimoto)
* Status: Assigned
* Assignee: kddnewton (Kevin Newton)
* Target version: 3.4
* ruby -v: ruby 3.4.0dev (2024-12-20T00:48:01Z master 978df259ca) +PRISM [x86_64-linux]
* Backport: 3.1: DONTNEED, 3.2: DONTNEED, 3.3: DONTNEED
----------------------------------------
```
$ ./miniruby --parser=prism -e 'tap { 0 => ^it }'
-e: [BUG] Unexpected node type in pattern matching expression: PM_IT_LOCAL_VARIABLE_READ_NODE
ruby 3.4.0dev (2024-12-20T00:48:01Z master 978df259ca) +PRISM [x86_64-linux]
```
With parse.y, it passes.
```
$ ./miniruby --parser=parse.y -e 'tap { 0 => ^it }'
-e:1:in 'block in <main>': 0: main === 0 does not return true (NoMatchingPatternError)
from <internal:kernel>:91:in 'Kernel#tap'
from -e:1:in '<main>'
```
--
https://bugs.ruby-lang.org/
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