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From: "kddnewton (Kevin Newton) via ruby-core" <ruby-core@ml.ruby-lang.org>
To: ruby-core@ml.ruby-lang.org
Cc: "kddnewton (Kevin Newton)" <noreply@ruby-lang.org>
Subject: [ruby-core:118270] [Ruby master Bug#20571] Compile error on for loop
Date: Mon, 10 Jun 2024 13:52:32 +0000 (UTC)	[thread overview]
Message-ID: <redmine.issue-20571.20240610135232.10206@ruby-lang.org> (raw)
In-Reply-To: <redmine.issue-20571.20240610135232.10206@ruby-lang.org>

Issue #20571 has been reported by kddnewton (Kevin Newton).

----------------------------------------
Bug #20571: Compile error on for loop
https://bugs.ruby-lang.org/issues/20571

* Author: kddnewton (Kevin Newton)
* Status: Open
* Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN
----------------------------------------
```ruby
for _ in 1.5 or _ in []
end
```

raises a compile error for the current compiler only with

```
-- raw disasm--------
   trace: 1
 <L000> [sp: 0, unremovable: 1, refcnt: 1]
   0000 putobject            1.5                                         (   1)
   0002 jump                 <L002>                                      (   1)
 <L006> [sp: 1, unremovable: 1, refcnt: 1]
 <L004> [sp: 1, unremovable: 0, refcnt: 0]
   0004 pop                                                              (   1)
*  0005 pop                                                              (   1)
   0006 putobject            false                                       (   1)
 <L002> [sp: 1, unremovable: 0, refcnt: 1]
   0008 send                 <calldata:each, 0>, nil                     (   1)
 <L001> [sp: -1, unremovable: 0, refcnt: 2]
   0011 leave                                                            (   1)
---------------------
test.rb:1: argument stack underflow (-1)
test.rb: compile error (SyntaxError)
```



-- 
https://bugs.ruby-lang.org/

       reply	other threads:[~2024-06-10 13:53 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-10 13:52 kddnewton (Kevin Newton) via ruby-core [this message]
2024-07-29 23:54 ` [ruby-core:118725] " jeremyevans0 (Jeremy Evans) via ruby-core
2024-07-30  0:49 ` [ruby-core:118726] " jeremyevans0 (Jeremy Evans) via ruby-core
2024-08-18  2:19 ` [ruby-core:118871] " nagachika (Tomoyuki Chikanaga) via ruby-core
2024-09-02 10:05 ` [ruby-core:119008] " k0kubun (Takashi Kokubun) via ruby-core

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