Issue #6446 has been reported by luislavena (Luis Lavena).

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Backport #6446: Backport r35595 - Windows: FD_SET and FD_SETSIZE segv due different compilation flags
https://bugs.ruby-lang.org/issues/6446

Author: luislavena (Luis Lavena)
Status: Assigned
Priority: Normal
Assignee: nobu (Nobuyoshi Nakada)
Category: 
Target version: 


Please backport r35595 to ruby_1_9_3 branch. It contains a SEGV fix for FD_SETSIZE/FD_SET that affects pre-compiled extensions with different FD_SETSIZE than the build Ruby.

Thank you


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