From: Roger Pack <rogerdpack2@...>
Date: 2011-10-19T01:32:30+09:00
Subject: [ruby-core:40214] Re: [Ruby 1.9 - Bug #5407] Cannot build ruby-1.9.3-rc1 with TDM-GCC 4.6.1 on Windows XP SP3

> There is only one proposal from me.
> In mswin, /Oy- is always specified.

Why is this required for mswin?
-roger-