| Age | Commit message (Collapse) | Author |
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ZJIT: Fix ObjToString rewrite
Currently, the rewrite for `ObjToString` always replaces it with a
`SendWithoutBlock(to_s)` instruction when the receiver is not a
string literal. This is incorrect because it calls `to_s` on the
receiver even if it's already a string.
This change fixes it by:
- Avoiding the `SendWithoutBlock(to_s)` rewrite
- Implement codegen for `ObjToString`
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It is much more convenient than storing the klass, especially
when dealing with `object_id` as it allows to update the id2ref
table without having to dereference the owner, which may be
garbage at that point.
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Adds link to https://docs.ruby-lang.org/en/master/ruby/options_md.html in
Ruby help text (-h and --help).
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When trace_var is used, setting a global variable can cause exceptions
to be raised. We need to prepare for that.
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Make sure VM lock is not held when calling `load_transcoder_entry`, as
that causes deadlock inside ractors. `String#encode` now works inside
ractors, among others.
Atomic load the rb_encoding_list
Without this, wbcheck would sometimes hit a missing write barrier.
Co-authored-by: John Hawthorn <john.hawthorn@shopify.com>
Hold VM lock when iterating over global_enc_table.names
This st_table can be inserted into at runtime when autoloading
encodings.
minor optimization when calling Encoding.list
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This saves one pointer in `struct set_table`, which would allow
`Set` objects to still fit in 80B TypedData slots even if RTypedData
goes from 32B to 40B large.
The existing set benchmark seem to show this doesn't have a very
significant impact. Smaller sets are a bit faster, larger sets
a bit slower.
It seem consistent over multiple runs, but it's unclear how much
of that is just error margin.
```
compare-ruby: ruby 3.5.0dev (2025-08-12T02:14:57Z master 428937a536) +YJIT +PRISM [arm64-darwin24]
built-ruby: ruby 3.5.0dev (2025-08-12T07:22:26Z set-entries-bounds da30024fdc) +YJIT +PRISM [arm64-darwin24]
warming up........
| |compare-ruby|built-ruby|
|:------------------------|-----------:|---------:|
|new_0 | 15.459M| 15.823M|
| | -| 1.02x|
|new_10 | 3.484M| 3.574M|
| | -| 1.03x|
|new_100 | 546.992k| 564.679k|
| | -| 1.03x|
|new_1000 | 49.391k| 48.169k|
| | 1.03x| -|
|aref_0 | 18.643M| 19.350M|
| | -| 1.04x|
|aref_10 | 5.941M| 6.006M|
| | -| 1.01x|
|aref_100 | 822.197k| 814.219k|
| | 1.01x| -|
|aref_1000 | 83.230k| 79.411k|
| | 1.05x| -|
```
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In OpenSSL's master branch, importing/loading a key in the FIPS mode
automatically performs a pair-wise consistency check. This breaks tests
for OpenSSL::PKey::EC#check_key and DH#params_ok? as they use
deliberately invalid keys. These methods would not be useful in the
FIPS mode anyway.
Fixes https://github.com/ruby/openssl/issues/926
https://github.com/ruby/openssl/commit/25ad8f4bdb
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(https://github.com/ruby/stringio/pull/139)
https://github.com/ruby/stringio/commit/0edc8e22da
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Co-authored-by: Alexander Momchilov <alexander.momchilov@shopify.com>
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Co-authored-by: Max Bernstein <tekknolagi@gmail.com>
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gc_config_set returned rb_gc_impl_config_get, but gc_config_get also added
the implementation key to the return value. This caused the return value
of GC.config to differ depending on whether the optional hash argument is
provided or not.
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Add locations to struct `RNode_IN`.
memo:
```bash
> ruby -e 'case 1; in 2 then 3; end' --parser=prism --dump=parsetree
@ ProgramNode (location: (1,0)-(1,24))
+-- locals: []
+-- statements:
@ StatementsNode (location: (1,0)-(1,24))
+-- body: (length: 1)
+-- @ CaseMatchNode (location: (1,0)-(1,24))
+-- predicate:
| @ IntegerNode (location: (1,5)-(1,6))
| +-- IntegerBaseFlags: decimal
| +-- value: 1
+-- conditions: (length: 1)
| +-- @ InNode (location: (1,8)-(1,19))
| +-- pattern:
| | @ IntegerNode (location: (1,11)-(1,12))
| | +-- IntegerBaseFlags: decimal
| | +-- value: 2
| +-- statements:
| | @ StatementsNode (location: (1,18)-(1,19))
| | +-- body: (length: 1)
| | +-- @ IntegerNode (location: (1,18)-(1,19))
| | +-- IntegerBaseFlags: decimal
| | +-- value: 3
| +-- in_loc: (1,8)-(1,10) = "in"
| +-- then_loc: (1,13)-(1,17) = "then"
+-- else_clause: nil
+-- case_keyword_loc: (1,0)-(1,4) = "case"
+-- end_keyword_loc: (1,21)-(1,24) = "end"
```
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https://github.com/ruby/stringio/commit/29b9133332
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https://github.com/ruby/stringio/commit/113dd5a55e
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on null device
(https://github.com/ruby/stringio/pull/137)
Fixes segmentation fault when calling `seek` with `SEEK_END` on null
device StringIO created by
`StringIO.new(nil)`.
```bash
ruby -e "require 'stringio'; StringIO.new(nil).seek(0, IO::SEEK_END)"
```
I tested with below versions.
```bash
[koh@Kohs-MacBook-Pro] ~
% ruby -v;gem info stringio;sw_vers
ruby 3.4.5 (2025-07-16 revision https://github.com/ruby/stringio/commit/20cda200d3) +PRISM [arm64-darwin24]
*** LOCAL GEMS ***
stringio (3.1.2)
Authors: Nobu Nakada, Charles Oliver Nutter
Homepage: https://github.com/ruby/stringio
Licenses: Ruby, BSD-2-Clause
Installed at (default): /Users/koh/.local/share/mise/installs/ruby/3.4.5/lib/ruby/gems/3.4.0
Pseudo IO on String
ProductName: macOS
ProductVersion: 15.5
BuildVersion: 24F74
[koh@Kohs-MacBook-Pro] ~
%
```
https://github.com/ruby/stringio/commit/9399747bf9
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Previously, if GC was in progress when we're initially building the
id2ref table, it could see the empty table and then crash when trying to
remove ids from it. This commit fixes the bug by only publishing the
table after GC is done.
Co-authored-by: Aaron Patterson <tenderlove@ruby-lang.org>
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In rb_ractor_sched_wait() (ex: Ractor.receive), we acquire
RACTOR_LOCK(cr) and then thread_sched_lock(cur_th). However, on wakeup
if we're a dnt, in thread_sched_wait_running_turn() we acquire
thread_sched_lock(cur_th) after condvar wakeup and then RACTOR_LOCK(cr).
This lock inversion can cause a deadlock with rb_ractor_wakeup_all()
(ex: port.send(obj)), where we acquire RACTOR_LOCK(other_r) and then
thread_sched_lock(other_th).
So, the error happens:
nt 1: Ractor.receive
rb_ractor_sched_wait() after condvar wakeup in thread_sched_wait_running_turn():
- thread_sched_lock(cur_th) (condvar) # acquires lock
- rb_ractor_lock_self(cr) # deadlock here: tries to acquire, HANGS
nt 2: port.send
ractor_wakeup_all()
- RACTOR_LOCK(port_r) # acquires lock
- thread_sched_lock # tries to acquire, HANGS
To fix it, we now unlock the thread_sched_lock before acquiring the
ractor_lock in rb_ractor_sched_wait().
Script that reproduces issue:
```ruby
require "async"
class RactorWrapper
def initialize
@ractor = Ractor.new do
Ractor.recv # Ractor doesn't start until explicitly told to
# Do some calculations
fib = ->(x) { x < 2 ? 1 : fib.call(x - 1) + fib.call(x - 2) }
fib.call(20)
end
end
def take_async
@ractor.send(nil)
Thread.new { @ractor.value }.value
end
end
Async do |task|
10_000.times do |i|
task.async do
RactorWrapper.new.take_async
puts i
end
end
end
exit 0
```
Fixes [Bug #21398]
Co-authored-by: John Hawthorn <john.hawthorn@shopify.com>
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These `...` ISEQs have a special calling convention in the interpreter
and our stubs and JIT calling convention don't deal well. Reject for now.
Debugged with help from `@tekknolagi` and `tool/zjit_bisect.rb`.
Merely avoiding direct sends is enough to pass the attached test, but also
avoid compiling ISEQs with `...` parameter to limit exposure for now.
`SendWithoutBlock`, which does dynamic dispatch using interpreter code,
seems to handle calling into forwardable ISEQs correctly, so they are
fine -- we can't predict where these dynamic sends land anyways.
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This reverts commit 8e9ea4c202fb104d7c17ad1f3cc59d697120501a.
The environment variable is converted internally.
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This reverts commit 79d8a3159f60d32396c8281fe438e86ab97e3daa.
The second argument of `find_executable0` in mkmf is `path`, not
arguments to the program like as `EnvUtil.find_executable`.
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https://github.com/ruby/optparse/commit/2f9c7500a3
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Replace `rb_yarv_class_of` call with:
- a constant check for special constants (nil, fixnums, symbols, etc)
- a check for false
- direct memory read at offset 8 for regular heap objects for the class check
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We can rewrite SendWithoutBlock to GetIvar.
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* ZJIT: Implement SingleRactorMode invalidation
* ZJIT: Add macro for compiling jumps
* ZJIT: Fix typo in comment
* YJIT: Fix typo in comment
* ZJIT: Avoid using unexported types in zjit.h
`enum ruby_vminsn_type` is declared in `insns.inc` and is not exported.
Using it in `zjit.h` would cause build errors when the file including it
doesn't include `insns.inc`.
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Co-authored-by: Alan Wu <alansi.xingwu@shopify.com>
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Add `keyword_module` amd `keyword_end` locations to struct `RNode_MODULE`.
memo:
```
>ruby --dump=parsetree -e 'module A end'
@ ProgramNode (location: (1,0)-(1,12))
+-- locals: []
+-- statements:
@ StatementsNode (location: (1,0)-(1,12))
+-- body: (length: 1)
+-- @ ModuleNode (location: (1,0)-(1,12))
+-- locals: []
+-- module_keyword_loc: (1,0)-(1,6) = "module"
+-- constant_path:
| @ ConstantReadNode (location: (1,7)-(1,8))
| +-- name: :A
+-- body: nil
+-- end_keyword_loc: (1,9)-(1,12) = "end"
+-- name: :A
```
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It's not rare for structs to have additional ivars, hence are one
of the most common, if not the most common type in the `gen_fields_tbl`.
This can cause Ractor contention, but even in single ractor mode
means having to do a hash lookup to access the ivars, and increase
GC work.
Instead, unless the struct is perfectly right sized, we can store
a reference to the associated IMEMO/fields object right after the
last struct member.
```
compare-ruby: ruby 3.5.0dev (2025-08-06T12:50:36Z struct-ivar-fields-2 9a30d141a1) +PRISM [arm64-darwin24]
built-ruby: ruby 3.5.0dev (2025-08-06T12:57:59Z struct-ivar-fields-2 2ff3ec237f) +PRISM [arm64-darwin24]
warming up.....
| |compare-ruby|built-ruby|
|:---------------------|-----------:|---------:|
|member_reader | 590.317k| 579.246k|
| | 1.02x| -|
|member_writer | 543.963k| 527.104k|
| | 1.03x| -|
|member_reader_method | 213.540k| 213.004k|
| | 1.00x| -|
|member_writer_method | 192.657k| 191.491k|
| | 1.01x| -|
|ivar_reader | 403.993k| 569.915k|
| | -| 1.41x|
```
Co-Authored-By: Étienne Barrié <etienne.barrie@gmail.com>
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invoked
https://github.com/rubygems/rubygems/commit/261315e399
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https://github.com/rubygems/rubygems/commit/42c5947dbe
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https://github.com/rubygems/rubygems/commit/e09a6ec815
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to test
https://github.com/rubygems/rubygems/commit/5b4eece722
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at RG 4.1
https://github.com/rubygems/rubygems/commit/e99cdab171
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https://github.com/ruby/prism/commit/a6b448b10f
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https://github.com/ruby/prism/commit/659d769621
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Currently Prism returns `42` for code like this:
```ruby
42.tap { it = it; p it } # => 42
```
But parse.y returns `nil`:
```ruby
42.tap { it = it; p it } # => nil
```
In parse.y, it on the right-hand side is parsed as a local variable.
In Prism, it was parsed as the implicit block parameter it, which caused this inconsistent behavior.
This change makes the right-hand side it to be parsed as a local variable, aligning with parse.y's behavior.
Bug ticket: https://bugs.ruby-lang.org/issues/21139
https://github.com/ruby/prism/commit/cf3bbf9d2c
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https://github.com/ruby/prism/commit/915f6b3ae9
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https://github.com/ruby/prism/commit/27d284bbb8
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https://github.com/ruby/prism/commit/f5ded5104d
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command calls
https://github.com/ruby/prism/commit/d9151b8a82
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A command-call-like `not true` must be rejected after `&&` and `||`.
https://bugs.ruby-lang.org/issues/21337
https://github.com/ruby/prism/commit/0513cf22ad
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Failed at:
https://github.com/ruby/ruby/actions/runs/16737407508/job/47378992863
Partially reverting https://github.com/ruby/ruby/pull/14097
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This can still hang:
https://github.com/ruby/ruby/actions/runs/16735509694/job/47373381258
partially reverting https://github.com/ruby/ruby/pull/14097
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