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From: Juho Snellman <jsnell <at> iki.fi>
Subject: Re: unreachable code, but why?
Newsgroups: gmane.lisp.steel-bank.general
Date: 2006-12-21 02:24:52 GMT (2 years, 27 weeks, 6 days, 11 hours and 27 minutes ago)
"Florian Ebeling" <florian.ebeling <at> gmail.com> writes:
> Ok, I can't see it.
> 
> Why are these to lines (marked below) unreachable
> to the compiler?
[...]
> 	    (do ((b (read-byte stream nil 'eof) ; <-- UNREACHABLE
> 		    (read-byte stream nil 'eof)) ; <-- UNREACHABLE

It's a known issue with the heuristic that the compiler uses to
determine which code is uninteresting and which code to show deletion
notes for. Use some other name for the variable instead of STREAM, and
the notes should go away.

-- 
Juho Snellman

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