From: "ufuk (Ufuk Kayserilioglu) via ruby-core" <ruby-core@...>
Date: 2025-01-21T21:45:54+00:00
Subject: [ruby-core:120753] [Ruby master Bug#21085] [BUG] Stack consistency error with -ne

Issue #21085 has been updated by ufuk (Ufuk Kayserilioglu).


This succeeds with the `parse.y` parser, so it seems to be a Prism compiler bug:
```shell
��� echo '' | ruby --parser=parse.y -vne ''
ruby 3.4.1 (2024-12-25 revision 48d4efcb85) [arm64-darwin23]

��� echo '' | ruby --parser=prism -vne ''
ruby 3.4.1 (2024-12-25 revision 48d4efcb85) +PRISM [arm64-darwin23]
-e:1: [BUG] Stack consistency error (sp: 7, bp: 6)
...
```

----------------------------------------
Bug #21085: [BUG] Stack consistency error with -ne
https://bugs.ruby-lang.org/issues/21085#change-111615

* Author: segiddins (Samuel Giddins)
* Status: Open
* ruby -v: ruby 3.4.1 (2024-12-25 revision 48d4efcb85) +PRISM [arm64-darwin24]
* Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN
----------------------------------------
Running the following crashes for me

``` shell
echo '' | ruby -ne ''
```

Attached the diagnostic report as requested

---Files--------------------------------
ruby-2025-01-21-125203.ips (9.83 KB)


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