Issue #14544 has been reported by allank (Allan Kinnaird).

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Bug #14544: crash on gem update
https://bugs.ruby-lang.org/issues/14544

* Author: allank (Allan Kinnaird)
* Status: Open
* Priority: Normal
* Assignee: 
* Target version: 
* ruby -v: ruby 2.5.0p0 (2017-12-25 revision 61468) [x86_64-darwin17]
* Backport: 2.3: UNKNOWN, 2.4: UNKNOWN, 2.5: UNKNOWN
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After a clean install using rbenv on a new MacBook Pro running High Sierra 10.13.3, gem update fails:
~: gem update
Updating installed gems
Updating ffi
Fetching: ffi-1.9.22.gem (100%)
Building native extensions. This could take a while...
Successfully installed ffi-1.9.22
Parsing documentation for ffi-1.9.22
Installing ri documentation for ffi-1.9.22
Installing darkfish documentation for ffi-1.9.22
/usr/local/var/rbenv/versions/2.5.0/lib/ruby/2.5.0/rdoc/markup/to_html.rb:389: [BUG] Segmentation fault at 0x0000000000000020
ruby 2.5.0p0 (2017-12-25 revision 61468) [x86_64-darwin17]

---Files--------------------------------
ruby_2018-02-23-094545_Allans-MacBook-Pro.crash (44.4 KB)


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