From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Sun,  9 Aug 2009 12:46:48 -0700
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Subject: Re: [9fans] Unexpected 8c warning message
From: Russ Cox <rsc@swtch.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
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you are smarter than 8c.
just put sd = nil above your loop.

8c isn't smart enough to know that
the body of

for(i=0; i<2; i++)

because it does not make two copies
of the i<2 test, so it cannot determine
that the very first one is guaranteed to
succeed.

russ