[ruby-core:97739] [Ruby master Bug#16760] backport #67305 / e39f7e64 to 2.6?

Issue #16760 has been updated by nagachika (Tomoyuki Chikanaga).

Backport changed from 2.5: UNKNOWN, 2.6: UNKNOWN, 2.7: UNKNOWN to 2.5: DONTNEED, 2.6: REQUIRED, 2.7: REQUIRED
Status changed from Open to Closed

Thank you for pointing this out. I have confirmed the snippet reproduces SEGV with 2.6.6 on my laptop.
I will fill the Backport field and close this ticket to notice stable branch maintainers.

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Bug #16760: backport #67305 / e39f7e64 to 2.6?
https://bugs.ruby-lang.org/issues/16760#change-84948

* Author: zenspider (Ryan Davis)
* Status: Closed
* Priority: Normal
* Backport: 2.5: DONTNEED, 2.6: REQUIRED, 2.7: REQUIRED
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https://bugs.ruby-lang.org/projects/ruby-master/repository/git/revisions/e39f7e64b73f0506def7adc88226d6821608da54

aka

https://github.com/ruby/ruby/commit/e39f7e64b73f0506def7adc88226d6821608da54

still crashes in the latest 2.6. Any chance it can be backported?

Repro:
`require "ripper/sexp"
rip = Ripper::SexpBuilderPP.new "_, _, _ = 1, *2, *3"
rip.yydebug = true
rip.parse
`

(seems to work on 2.5 just fine)



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