Issue #8163 has been updated by nagachika (Tomoyuki Chikanaga).


I'll also backport r39925 (move related test from KNOWNBUGS.rb) and r39945 (fix ChangeLog indent).
----------------------------------------
Backport #8163: Backport r39919
https://bugs.ruby-lang.org/issues/8163#change-38463

Author: authorNari (Narihiro Nakamura)
Status: Assigned
Priority: High
Assignee: nagachika (Tomoyuki Chikanaga)
Category: 
Target version: 


Please backport r39919 to avoid SEGV in re-defined methods.
see also: https://bugs.ruby-lang.org/issues/8100


-- 
http://bugs.ruby-lang.org/