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amalrik (amalrik maia)

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  • Registered on: 03/18/2019
  • Last sign in: 10/14/2026

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10/14/2026

11:23 PM Ruby Bug #22439: Segfault in `Thread::Backtrace::Location#syntax_tree` (via `Exception#detailed_message` / error_highlight) when called from multiple Ractors
mame (Yusuke Endoh) wrote in #note-3:
> Thank you for the report!
> ...
Thank you for the quick analysis and for splitting the ticket!
Yes, I'm using GCC 16. Both 4.1 builds I reported were compiled locally on Arch Linux:
```
ru... amalrik (amalrik maia)
04:38 PM Ruby Bug #22439 (Closed): Segfault in `Thread::Backtrace::Location#syntax_tree` (via `Exception#detailed_message` / error_highlight) when called from multiple Ractors
Calling `Exception#detailed_message` concurrently from two or more Ractors crashes the VM with
`[BUG] Segmentation fault` on 4.1.0-preview1 and current master. The same script works on 4.0.6
and 4.0.7.
### Reproduction
No gems ar... amalrik (amalrik maia)

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