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### Repro
```
GraalVM MultiLanguage Shell 19.0.0
Copyright (c) 2013-2019, Oracle and/or its affiliates
JavaScript version 19.0.0
Ruby version 2.6.2
js> ruby>
ruby> Polyglot.export('string…
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I tried to follow those debugging guidelines, they are not really helpful
https://github.com/oracle/truffleruby/blob/master/doc/contributor/debugging.md
I maybe not getting the context of this d…
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**Describe GraalVM and your environment :**
- GraalVM version or commit id if built from source: Nightly buld `truffleruby 21.0.0-dev-5fd2b6b4, like ruby 2.7.2, GraalVM CE Native [x86_64-linux]`
-…
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```
truffleruby 20.1.0-dev-7e4cc87e, like ruby 2.6.5, GraalVM CE Native [x86_64-darwin]
```
To reproduce:
```
gem install gosu
ruby -rgosu -e 'w = Gosu::Window.new(200, 150); w.caption = "It…
deepj updated
4 years ago
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I am trying to get the [rice gem](https://github.com/jasonroelofs/rice) working with truffleruby. I know that rice leverges MRI internals, but I wanted to check if it was possible to make it work with…
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It is called on cruby when a class or module block is closed
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Related to #3101, @davleopo.
```ruby
def foo(x)
x.times do |n|
if (n % 5 == 0) && (n % 3 == 0)
out :fizzbuzz
elsif n % 5 == 0
out :fizz
elsif n % 3 == 0
out …
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We know that the Hash implementations are not thread-safe,
but in a short period we saw several related errors coming from CompactHashStore.
It seems to error more often than PackedHashStore and Buc…
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I run into this occasionally attempting to run Rails 7 with Puma on TruffleRuby 22.3. It kills the server.
```
Caused by: java.lang.UnsupportedOperationException: Thread-safety bug: the object is …
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In planning ahead to the near future when TruffleRuby can run C-extensions marked with `rb_ext_ractor_safe(true)` in parallel, and for when Ractors are no longer just experimental, it would be great i…