Issue #9656 has been reported by Tomoyuki Chikanaga.

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Bug #9656: check for -fno-defer-pop option in ext/dl/extconf.rb
https://bugs.ruby-lang.org/issues/9656

* Author: Tomoyuki Chikanaga
* Status: Closed
* Priority: Normal
* Assignee: Nobuyoshi Nakada
* Category: ext
* Target version: current: 2.2.0
* ruby -v: 2.2.0
* Backport: 2.0.0: REQUIRED, 2.1: REQUIRED
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Clang 5.1 no longer support -fno-defer-pop option.

Already commited at r45365.
This ticket is only for backport management.



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