[#119000] [Ruby master Bug#20710] Reducing Hash allocation introduces large performance degradation (probably related to VWA) — "pocke (Masataka Kuwabara) via ruby-core" <ruby-core@...>

Issue #20710 has been reported by pocke (Masataka Kuwabara).

6 messages 2024/09/02

[#119033] [Ruby master Bug#20713] Ruby 3.3.5 triggers a deprecation warning with `require "json"` — "Bo98 (Bo Anderson) via ruby-core" <ruby-core@...>

Issue #20713 has been reported by Bo98 (Bo Anderson).

7 messages 2024/09/04

[#119041] [Ruby master Bug#20714] Handle optional dependencies in `bundled_gems.rb` — "Earlopain (A S) via ruby-core" <ruby-core@...>

Issue #20714 has been reported by Earlopain (A S).

31 messages 2024/09/04

[#119074] [Ruby master Bug#20716] Different instance_method behavior in Ruby 2.7 and Ruby 3.x — "natton (Tien Truong) via ruby-core" <ruby-core@...>

Issue #20716 has been reported by natton (Tien Truong).

13 messages 2024/09/06

[#119145] [Ruby master Misc#20728] Propose Eileen Uchitelle as a core committer — "kddnewton (Kevin Newton) via ruby-core" <ruby-core@...>

Issue #20728 has been reported by kddnewton (Kevin Newton).

14 messages 2024/09/12

[#119168] [Ruby master Feature#20738] Removing a specific entry from a hash literal — "ursm (Keita Urashima) via ruby-core" <ruby-core@...>

Issue #20738 has been reported by ursm (Keita Urashima).

16 messages 2024/09/13

[#119199] [Ruby master Bug#20742] Trying to assign to a variable in statement modifier should emit a warning — "esad (Esad Hajdarevic) via ruby-core" <ruby-core@...>

SXNzdWUgIzIwNzQyIGhhcyBiZWVuIHJlcG9ydGVkIGJ5IGVzYWQgKEVzYWQgSGFqZGFyZXZpYyku

7 messages 2024/09/15

[#119208] [Ruby master Bug#20745] IO::Buffer#copy triggers UB when src/dest buffers overlap — "hanazuki (Kasumi Hanazuki) via ruby-core" <ruby-core@...>

Issue #20745 has been reported by hanazuki (Kasumi Hanazuki).

8 messages 2024/09/16

[#119239] [Ruby master Feature#20750] Expose ruby_thread_has_gvl_p in ruby/thread.h — "kbrock (Keenan Brock) via ruby-core" <ruby-core@...>

Issue #20750 has been reported by kbrock (Keenan Brock).

8 messages 2024/09/17

[#119248] [Ruby master Bug#20752] IO::Buffer#slice fails to copy readonly flag, allowing writes into frozen String — "hanazuki (Kasumi Hanazuki) via ruby-core" <ruby-core@...>

Issue #20752 has been reported by hanazuki (Kasumi Hanazuki).

7 messages 2024/09/18

[#119301] [Ruby master Bug#20761] [DOC] `RubyVM::AbstractSyntaxTree.of` examples raise because parser is prism by default — "Earlopain (A S) via ruby-core" <ruby-core@...>

Issue #20761 has been reported by Earlopain (A S).

11 messages 2024/09/26

[#119335] [Ruby master Bug#20770] A *new* pipe operator proposal — "AlexandreMagro (Alexandre Magro) via ruby-core" <ruby-core@...>

Issue #20770 has been reported by AlexandreMagro (Alexandre Magro).

56 messages 2024/09/29

[ruby-core:119010] [Ruby master Bug#20344] argument stack underflow (-1)

From: "k0kubun (Takashi Kokubun) via ruby-core" <ruby-core@...>
Date: 2024-09-02 10:10:36 UTC
List: ruby-core #119010
Issue #20344 has been updated by k0kubun (Takashi Kokubun).

Backport changed from 3.0: REQUIRED, 3.1: REQUIRED, 3.2: DONE, 3.3: REQUIRED to 3.0: REQUIRED, 3.1: REQUIRED, 3.2: DONE, 3.3: DONE

ruby_3_3 commit:d83b5633b16f4ddcece4ff924f21c5a5851470cf merged revision(s) commit:992596fb7af18a7f472589a607d0eb3fbb03b49a.

----------------------------------------
Bug #20344: argument stack underflow (-1)
https://bugs.ruby-lang.org/issues/20344#change-109585

* Author: nobu (Nobuyoshi Nakada)
* Status: Closed
* Backport: 3.0: REQUIRED, 3.1: REQUIRED, 3.2: DONE, 3.3: DONE
----------------------------------------
This file produces argument stack underflow, since ruby 2.5.

```ruby
proc do
  next if true

  case nil
  when "a"
    next
  when "b"
  when "c"
    proc {}
  end

  next unless true
end
```

```
-- raw disasm--------
   trace: 100
   0000 nop                                                              (   1)
 <L000> [sp: 0, unremovable: 1, refcnt: 5]
   trace: 1
 <L004> [sp: 0, unremovable: 0, refcnt: 1]
   adjust: [label: 0]
   0001 putnil                                                           (   2)
   0002 leave                                                            (  13)
 <L008> [sp: 1, unremovable: 0, refcnt: 1]
   adjust: [label: 0]
   0003 putnil                                                           (   6)
   0004 leave                                                            (  13)
   adjust: [label: 8]
   0005 jump                 <L005>                                      (   5)
   0007 pop                                                              (   7)
   0008 jump                 <L005>                                      (   7)
*  0010 pop                                                              (   8)
   trace: 1
 <L011> [sp: -1, unremovable: 1, refcnt: 1]
   0011 putself                                                          (   9)
   0012 send                 <calldata:proc, 0>, nil                     (   9)
 <L012> [sp: -1, unremovable: 0, refcnt: 2]
   0015 pop                                                              (   9)
 <L005> [sp: 1, unremovable: 0, refcnt: 2]
   trace: 1
   0016 putnil                                                           (  12)
 <L001> [sp: -1, unremovable: 0, refcnt: 3]
   trace: 200
   0017 leave                                                            (  13)
---------------------
```



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