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* [ruby-core:118270] [Ruby master Bug#20571] Compile error on for loop
@ 2024-06-10 13:52 kddnewton (Kevin Newton) via ruby-core
  2024-07-29 23:54 ` [ruby-core:118725] " jeremyevans0 (Jeremy Evans) via ruby-core
                   ` (3 more replies)
  0 siblings, 4 replies; 5+ messages in thread
From: kddnewton (Kevin Newton) via ruby-core @ 2024-06-10 13:52 UTC (permalink / raw)
  To: ruby-core; +Cc: kddnewton (Kevin Newton)

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/

^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2024-09-02 10:05 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2024-06-10 13:52 [ruby-core:118270] [Ruby master Bug#20571] Compile error on for loop kddnewton (Kevin Newton) via ruby-core
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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