Issue #8873 has been reported by nagachika (Tomoyuki Chikanaga).

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Backport #8873: backport r42867 (fatal error class name)
https://bugs.ruby-lang.org/issues/8873

Author: nagachika (Tomoyuki Chikanaga)
Status: Assigned
Priority: Normal
Assignee: nagachika (Tomoyuki Chikanaga)
Category: 
Target version: 


r42867 ??? fatal ?????????????修正?? 2.0.0 ?????????????????????????????????


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