Issue #7316 has been reported by nobu (Nobuyoshi Nakada).

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Backport #7316: bison 2.6 support
https://bugs.ruby-lang.org/issues/7316

Author: nobu (Nobuyoshi Nakada)
Status: Assigned
Priority: Normal
Assignee: usa (Usaku NAKAMURA)
Category: 
Target version: 


r36533???????????????????????????????????


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