The bug has been already fixed in 5.7.19 with the following commit:
commit bc2ed496ad108c452370efbfd9f9962294bfecd0
Author: Sreeharsha Ramanavarapu <[email protected]>
Date: Thu Apr 27 19:00:52 2017 +0530
Bug#25287633:GCOLS: INCORRECT BEHAVIOR WITH CHARSET CHANGES
** Changed in: percona-server/5.7
Status: Triaged => Fix Released
** Changed in: percona-server/5.7
Milestone: None => 5.7.19-17
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https://bugs.launchpad.net/bugs/1670332
Title:
5.7 with generated columns crashes with signal 11 Item_func4walkE in
backtrace
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