[ruby-core:116311] [Ruby master Bug#20192] YJIT in 3.3.0 miscompiles `yield` with keyword splats

19 Jan 2024


      Issue #20192 has been reported by alanwu (Alan Wu).

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Bug #20192: YJIT in 3.3.0 miscompiles `yield` with keyword splats
https://bugs.ruby-lang.org/issues/20192

* Author: alanwu (Alan Wu)
* Status: Closed
* Priority: Normal
* ruby -v: ruby 3.3.0 (2023-12-25 revision 5124f9ac75) [x86_64-linux]
* Backport: 3.0: DONTNEED, 3.1: DONTNEED, 3.2: DONTNEED, 3.3: REQUIRED
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Test with:

```ruby
def splat_kw(kwargs) = yield(**kwargs)

p splat_kw({}) { _1 }
```

```shell
% ruby --yjit-call-threshold=1 test.rb 
{}
% ruby test.rb
nil 
```


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