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From 05/07/2024 to 05/13/2024

05/13/2024

10:45 PM Bug #20485 (Closed): Simple use of Fiber makes GC leak objects with singleton method: No worries. This aspect of Ruby GC often confuses people. byroot (Jean Boussier)
09:35 AM Bug #20485: Simple use of Fiber makes GC leak objects with singleton method: I tried looping with `100.times` in a more complex case that I created in the middle of the entire investigation of a... skhrshin (Shintaro Sakahara)
08:47 AM Bug #20485: Simple use of Fiber makes GC leak objects with singleton method: Alright, looking at your dump:
```json
{"address":"0x7f2b570455b8", "type":"CLASS", "shape_id":2, "slot_size":160... byroot (Jean Boussier)
08:25 AM Bug #20485: Simple use of Fiber makes GC leak objects with singleton method: I asked my co-workers to try this script and some of them gave me their results. The following table includes my resu... skhrshin (Shintaro Sakahara)
06:40 AM Bug #20485: Simple use of Fiber makes GC leak objects with singleton method: @skhrshin if you can reproduce consistently, what could be helpful would be to provide a heap dump like this (use som... byroot (Jean Boussier)
06:37 AM Bug #20485: Simple use of Fiber makes GC leak objects with singleton method: To be honest I also tried 3.2.2 and 3.1.4, each with `[1].each`, `1.times` and `Mutex.new.synchronize`, and neither r... byroot (Jean Boussier)
06:24 AM Bug #20485 (Open): Simple use of Fiber makes GC leak objects with singleton method: byroot (Jean Boussier)
06:18 AM Bug #20485: Simple use of Fiber makes GC leak objects with singleton method: I closed because I tried your repro script with `ruby 3.3.1 (2024-04-23 revision c56cd86388) [arm64-darwin23]` both w... byroot (Jean Boussier)
04:33 AM Bug #20485: Simple use of Fiber makes GC leak objects with singleton method: Do you mean this is fixed in trunk? Or are you saying this shouldn't happen on Ruby 3.3.1? If latter, that is not cor... skhrshin (Shintaro Sakahara)
06:23 PM Misc #20488 (Closed): Document source file size restrictions: I was hoping we might be able to decide on an official maximum size for a source file in terms of bytes/lines/columns... kddnewton (Kevin Newton)
06:04 PM Revision 5319587a (git): [rubygems/rubygems] Restore previous way of loading monitor: I'm not sure why but this particular change seems to have introduced
some flaky test failures. So I'll revert it.
ht... deivid (David Rodríguez)
06:04 PM Revision d1c172df (git): [rubygems/rubygems] Don't load `SharedHelpers` unnecessarily: https://github.com/rubygems/rubygems/commit/de4650f629 deivid (David Rodríguez)
06:04 PM Revision 22dab739 (git): [rubygems/rubygems] Don't depend on Pathname unnecessarily: https://github.com/rubygems/rubygems/commit/8c8aaecc48 deivid (David Rodríguez)
04:44 PM Misc #20436: DevMeeting at RubyKaigi 2024: I asked Matz and here is a reordered agenda: https://hackmd.io/CoLraFp_QrqyHBcv3g8bVg?both
Many topics so we can't... ko1 (Koichi Sasada)
05:48 AM Misc #20436: DevMeeting at RubyKaigi 2024: * [Bug #20424] ZLib::GZipReader always double allocates strings when passed outbuf, significantly increasing memory u... tenderlovemaking (Aaron Patterson)
04:42 PM Bug #20478: Circular parameter syntax error rules: I figured that was already happening for the "unused" warning. kddnewton (Kevin Newton)
04:31 PM Revision b5e53e2f (git): [ruby/prism] Rescue LoadError for ruby_parser as well: https://github.com/ruby/prism/commit/d4eb13e703 kddnewton (Kevin Newton)
04:29 PM Revision 5931f857 (git): [ruby/prism] Add error handling for missing `parser` gem in `Prism::Translation`: Resolves https://github.com/ruby/prism/pull/2803.
This PR adds error handling for missing `parser` gem in `Prism::Tr... koic (Koichi ITO)
03:34 PM Revision e6340258 (git): [ruby/prism] Autoload newlines and comment visitors: Having the @newline instance variable in every node adds up, and
since it is so rarely used, we only want to add it w... kddnewton (Kevin Newton)
01:01 PM Revision 02c8e658 (git): [rubygems/rubygems] Use a constant empty tar header to avoid extra allocations: https://github.com/rubygems/rubygems/commit/716666f65f segiddins (Samuel Giddins)
12:24 PM Bug #20487 (Rejected): 1..nil is giving range from 1 to inifinity in ruby greater than 2.6: This is expected behavior. `nil` is the implicit end of an endless range:
```ruby
(1..) == (1..nil)
# => true
... jeremyevans0 (Jeremy Evans)
12:18 PM Bug #20487 (Rejected): 1..nil is giving range from 1 to inifinity in ruby greater than 2.6: we consider nil as undefined value, value that is not present, we consider nil as falsey value as well, when we do ni... akshay_kakade (Akshay Kakade)
10:35 AM Revision 58801034 (git): [rubygems/rubygems] Use spec.base_dir to remove plugins: The plugin loader from `@gem_home` was removed during uninstallation.
However, this could leave behind the plugins fo... Vít Ondruch
10:35 AM Revision a86ad47c (git): [rubygems/rubygems] Improve plugin removal test: Instead of unit testing the `remove_plugins` method, test the whole
removal process.
https://github.com/rubygems/rub... deivid (David Rodríguez)
09:19 AM Revision 899568cc (git): [rubygems/rubygems] Fix error when Bundler installation is corrupted: If one upgrades the default copy of Bundler through `gem update
--system`, and then reinstalls Ruby without removing ... deivid (David Rodríguez)
09:08 AM Revision 69c87619 (git): [rubygems/rubygems] Avoid standard requires while loading shared helpers: We should make sure Bundler does not trigger RubyGems require logic for
gem activation until it had the chance to reg... deivid (David Rodríguez)
09:08 AM Revision e9262983 (git): [rubygems/rubygems] Require things right before they're needed: https://github.com/rubygems/rubygems/commit/07022e3f2f deivid (David Rodríguez)
08:42 AM Bug #20486 (Third Party's Issue): Internal compiler error when compile CRuby with msys2-mingw64-gcc14: "internal compiler error" means a bug of gcc.
We can do nothing for it. nobu (Nobuyoshi Nakada)
08:25 AM Bug #20486 (Third Party's Issue): Internal compiler error when compile CRuby with msys2-mingw64-gcc14: Follow CRuby build guide in `https://github.com/ruby/ruby`
Some file like `numerc.c` whill produce a `internal compi... nekoyama32767 (Jinsong Yu)
02:26 AM Feature #20484: A new pragma for eager resolution of classes referenced in rescue clauses.: Eager resolution of referenced constants at parse time would be very painful in many case as it would add some extra ... byroot (Jean Boussier)

05/12/2024

11:26 PM Revision 3c16d93c (git): Constify encoding type in universal parser: Fixed warning about discarding modifiers.
```
../src/ruby_parser.c:677:48: warning: passing 'rb_encoding *' (aka 'co... nobu (Nobuyoshi Nakada)
10:28 PM Bug #20485 (Closed): Simple use of Fiber makes GC leak objects with singleton method: Looks like a duplicate of https://bugs.ruby-lang.org/issues/19436, fixed in Ruby 3.3 but can't really be backported. byroot (Jean Boussier)
09:09 AM Bug #20485: Simple use of Fiber makes GC leak objects with singleton method: I confirmed that all of `1.times`, `[1].each` and `Mutex.new.synchronize` versions reproduce the problem on Ruby 3.2.4. skhrshin (Shintaro Sakahara)
08:52 AM Bug #20485: Simple use of Fiber makes GC leak objects with singleton method: Changing `1.times` to `[1].each` could reproduce the problem on Ruby 3.3.1 too. skhrshin (Shintaro Sakahara)
08:46 AM Bug #20485: Simple use of Fiber makes GC leak objects with singleton method: Update: To reproduce this issue with Ruby 3.3.1, Mutex is necessary. skhrshin (Shintaro Sakahara)
06:09 AM Bug #20485: Simple use of Fiber makes GC leak objects with singleton method: Update: Using Mutex was not necessary. skhrshin (Shintaro Sakahara)
03:39 AM Bug #20485 (Closed): Simple use of Fiber makes GC leak objects with singleton method: I found a possible memory leak which occurs only when several conditions are met.
The code to reproduce the proble... skhrshin (Shintaro Sakahara)
07:57 AM Feature #20484: A new pragma for eager resolution of classes referenced in rescue clauses.: Honestly, it is no different than any name used in a branch that wasn’t tested. E.g. if you have this:
```ruby
if f... zverok (Victor Shepelev)
04:25 AM Feature #20484: A new pragma for eager resolution of classes referenced in rescue clauses.: duerst (Martin Dürst) wrote in #note-1:
> Can you give an example with actual code to show where you get problems?
... jfrisby (Jon Frisby)
02:13 AM Feature #20484 (Feedback): A new pragma for eager resolution of classes referenced in rescue clauses.: Can you give an example with actual code to show where you get problems? duerst (Martin Dürst)
07:49 AM Feature #20483: More intuitive initialisation of null Range: What’s the expected semantics of this range?
There can be several options. Note that the behavior should be consist... zverok (Victor Shepelev)
07:45 AM Bug #20482 (Closed): nil variables in a guard clause of a standalone => or in expression: Applied in changeset commit:git|b911d2222f907d3fad397938e8f513ecfb4635b8.
----------
[Bug #20482] [DOC] Clarify abou... nobu (Nobuyoshi Nakada)
07:05 AM Bug #20482: nil variables in a guard clause of a standalone => or in expression: Soilent (Konstantin x) wrote in #note-2:
> Thank you, nobu! That explains it.
>
> Just to clarify, is this how th... nobu (Nobuyoshi Nakada)
06:08 AM Bug #20482: nil variables in a guard clause of a standalone => or in expression: Thank you, nobu! That explains it.
Just to clarify, is this how the expression is parsed?
```ruby
( [1, 2] in ... Soilent (Konstantin x)
12:05 AM Bug #20482: nil variables in a guard clause of a standalone => or in expression: One-line pattern matching can not have a guard clause, so the `if` in the first example is a modifier `if` and is eva... nobu (Nobuyoshi Nakada)
07:23 AM Revision b911d222 (git): [Bug #20482] [DOC] Clarify about pattern maching guard clause: Guard clauses can only be used in `case` pattern matching statements,
not in `=>`/`in` operators. nobu (Nobuyoshi Nakada)
06:49 AM Feature #20443: Allow Major GC's to be disabled: I think that same concern applies to some existing `GC` methods (e.g. `GC.compact`, `GC.verify_compaction_reference`)... byroot (Jean Boussier)
06:38 AM Revision 5695c5df (git): ripper: Fix opassign when assignment to backref variables: nobu (Nobuyoshi Nakada)
06:36 AM Revision a1fb6cc9 (git): ripper: Use `$&` instead of quoting charaters in tests: nobu (Nobuyoshi Nakada)
05:40 AM Bug #20481 (Closed): Untrusted Marshal data can overwrite class/module instance variables: Applied in changeset commit:git|8b9b150512b7b9514143a6b971992c9a539ead2f.
----------
[Bug #20481] Check for unmarsha... nobu (Nobuyoshi Nakada)
04:57 AM Revision 8b9b1505 (git): [Bug #20481] Check for unmarshaling ivar: Prohibit setting instance variables of existing classes and modules
via link. nobu (Nobuyoshi Nakada)
04:55 AM Revision d9e6e6fb (git): [Bug #7759] Fix instance variable names to be checked: nobu (Nobuyoshi Nakada)
04:53 AM Revision 4edd9b07 (git): [ruby/irb] Clean up tmpdir: https://github.com/ruby/irb/commit/7d60349499 nobu (Nobuyoshi Nakada)
03:57 AM Bug #20478: Circular parameter syntax error rules: Even this should be a syntax error?
```ruby
def foo(bar = ->(baz = bar) {}) end
```
That means it needs to ma... nobu (Nobuyoshi Nakada)

05/11/2024

09:41 PM Feature #20484 (Feedback): A new pragma for eager resolution of classes referenced in rescue clauses.: I've been using Ruby for 20 years, and just today learned (the hard way) that the class name(s) referenced in a `resc... jfrisby (Jon Frisby)
06:12 PM Feature #20483 (Open): More intuitive initialisation of null Range: Hi all 👋🏻
I've come across cases where I want a method to return a Range. In some cases, the Range should be empty... bodacious (Gavin Morrice)
04:45 PM Bug #20482 (Closed): nil variables in a guard clause of a standalone => or in expression: The following expression produces a TypeError, which is quite unexpected:
```ruby
[1, 2] in a, b if b == 2*a
```... Soilent (Konstantin x)
04:21 PM Feature #20300: Hash: set value and get pre-existing value in one call: mame (Yusuke Endoh) wrote in #note-24:
> It was originally intended as a method to improve the efficiency of `Set#... AMomchilov (Alexander Momchilov)
11:47 AM Revision 7e604a02 (git): Fix SEGV when ripper hits `backref_error` on `command_asgn` or `arg`: yui-knk (Kaneko Yuichiro)
01:12 AM Bug #20481 (Closed): Untrusted Marshal data can overwrite class/module instance variables: The following code snippet shows how class/module instance variables can be overwritten in Ruby. Checked on Ruby 3.3.... qnighy (Masaki Hara)

05/07/2024

11:25 PM Feature #20476: Add Enumerator#eager that returns self, like Enumerator::Lazy#lazy: Added a PR https://github.com/ruby/ruby/pull/10739 shan (Shannon Skipper)
11:24 PM Feature #20476 (Open): Add Enumerator#eager that returns self, like Enumerator::Lazy#lazy: I'd like to propose adding an Enumerator#eager method. We currently have Enumerator#lazy, Enumerator::Lazy#lazy, Enum... shan (Shannon Skipper)
08:50 PM Bug #20421: String#index and String#byteindex don't clear `$~` when offset > size (or bytesize): We should also add a test so this doesn't regress on 3.3 & master, that seems fine as a `ruby_bug` spec in ruby/spec. Eregon (Benoit Daloze)
08:48 PM Bug #20421: String#index and String#byteindex don't clear `$~` when offset > size (or bytesize): Given this is a clear bug (which can break programs' logic) I think it's good to backport. Eregon (Benoit Daloze)
04:57 PM Bug #20421 (Closed): String#index and String#byteindex don't clear `$~` when offset > size (or bytesize): The issue doesn't affect 3.3 and master. It appears fixed by commit:9dcdffb8bf8a3654fd78bf1a58b30c8e13888a7a. If yo... jeremyevans0 (Jeremy Evans)
08:45 PM Bug #20475 (Feedback): RJIT `and' NoMatchingPatternError: Given its experimental nature, it's somewhat intended that RJIT's assembler doesn't cover some patterns. It's for dev... k0kubun (Takashi Kokubun)
08:30 PM Bug #20475 (Feedback): RJIT `and' NoMatchingPatternError: I try use RJIT for testing of Rails application:
```bash
$ RUBYOPT="--rjit" bin/bundle exec rake test
Started wi... ukolovda (Dmitry Ukolov)
08:44 PM Bug #20433: Hash.inspect for some hash returns syntax invalid representation: I think always having spaces would help readability.
If we don't want to change that, then how about simply quoting ... Eregon (Benoit Daloze)
07:01 PM Bug #20433: Hash.inspect for some hash returns syntax invalid representation: I submitted a pull request for the most backwards compatible change, which only uses spaces around `=>` for symbols e... jeremyevans0 (Jeremy Evans)
06:32 PM Bug #20474 (Closed): Heredoc common leading whitespace calculation question: I think I understand that <<~ will strip common leading whitespace from all lines. However, I am confused by the foll... kddnewton (Kevin Newton)
06:24 PM Revision b4b39a61 (git): [PRISM] Enable test_methoddef_endless_command: kddnewton (Kevin Newton)
06:24 PM Revision 2bfc4875 (git): [PRISM] Enable more passing tests: kddnewton (Kevin Newton)
06:03 PM Revision 21b94ae0 (git): [ruby/prism] Extend error message for unterminated HEREDOC: https://github.com/ruby/prism/commit/c1b07ec11b kddnewton (Kevin Newton)
05:22 PM Revision dcbe0edb (git): [ruby/prism] Better error message for contents of hash pattern: https://github.com/ruby/prism/commit/60dbf60f48 kddnewton (Kevin Newton)
05:15 PM Revision 5d448468 (git): [ruby/prism] Disallow implicit hash in array pattern: https://github.com/ruby/prism/commit/bdd509c6ac kddnewton (Kevin Newton)
04:44 PM Revision ef3803ed (git): Ignore the result of pthread_kill in ubf_wakeup_thread: After an upgrade to Ruby 3.3.0, I experienced reproducible production crashes
of the form:
[BUG] pthread_kill: No su... jeremyevans (Jeremy Evans)
04:31 PM Revision 8ec1c416 (git): [ruby/prism] Specific error message for symbol literal with interpolation in hash patterns: https://github.com/ruby/prism/commit/31f0201bae kddnewton (Kevin Newton)
04:31 PM Revision 8cc733df (git): [ruby/prism] Add error for invalid implicit local writes: https://github.com/ruby/prism/commit/ab21882561 kddnewton (Kevin Newton)
02:56 PM Revision eb8efa42 (git): [ruby/prism] shareable_constant_value line warnings: https://github.com/ruby/prism/commit/8c984b6922 kddnewton (Kevin Newton)
01:48 PM Feature #19979: Allow methods to declare that they don't accept a block via `&nil`: True, OTOH the trade-offs made in #15554 like every method using `super` considered to "accept a block" might not be ... Eregon (Benoit Daloze)
12:57 PM Feature #19979: Allow methods to declare that they don't accept a block via `&nil`: This already exists for `**nil`, as in:
```ruby
irb(main):001> def foo(**nil); end
=> :foo
irb(main):002> metho... kddnewton (Kevin Newton)
12:17 PM Feature #19979: Allow methods to declare that they don't accept a block via `&nil`: From https://bugs.ruby-lang.org/issues/20436#note-12:
@ufuk wrote:
> Can we at least get runtime introspection for ... Eregon (Benoit Daloze)
01:25 PM Bug #20468: Segfault on safe navigation in for target: @nobu it's the same possibilities in `for`, `rescue`, and multi-write. As in:
```ruby
for (foo, @foo, @@foo, $foo... kddnewton (Kevin Newton)
11:57 AM Misc #20436: DevMeeting at RubyKaigi 2024: * [Misc #20432] Proposal for workflow changes related to teeny releases (ufuk)
* Can we discuss the proposals to m... ufuk (Ufuk Kayserilioglu)
05:58 AM Misc #20436: DevMeeting at RubyKaigi 2024: * [Feature #20437] Could be the licensing conditions be made less ambiguous?
* [Bug #20438][Bug #20439] String format... nobu (Nobuyoshi Nakada)
06:59 AM Revision e1e6b497 (git): Update bundled gems list as of 2024-05-07: git[bot]
05:36 AM Revision 80adf6a1 (git): [rubygems/rubygems] Accept WASI as an OS name in Gem::Platform: https://github.com/rubygems/rubygems/commit/1209d3c6b0 katei (Yuta Saito)
04:03 AM Bug #20465: parse.y adds an extra empty string to the AST: tenderlovemaking (Aaron Patterson) wrote in #note-2:
> It's not a problem for the compiler (of course), but a proble... nobu (Nobuyoshi Nakada)
04:01 AM Feature #15554: warn/error passing a block to a method which never use a block: I want the message to be separated for caller and callee, to tag jump.
Current:
> /home/runner/.rubies/ruby-head/... nobu (Nobuyoshi Nakada)
03:37 AM Revision 7c8903d0 (git): Bump actions/checkout from 4.1.4 to 4.1.5: Bumps [actions/checkout](https://github.com/actions/checkout) from 4.1.4 to 4.1.5.
- [Release notes](https://github.c... dependabot[bot]
02:55 AM Revision e9356bec (git): Bump actions/checkout in /.github/actions/setup/directories: Bumps [actions/checkout](https://github.com/actions/checkout) from 4.1.4 to 4.1.5.
- [Release notes](https://github.c... dependabot[bot]

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