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From: ado@elsie.UUCP (Arthur David Olson)
Newsgroups: net.lang.c
Subject: Re: Infinite loops
Message-ID: <6091@elsie.UUCP>
Date: Tue, 6-May-86 18:28:37 EDT
Article-I.D.: elsie.6091
Posted: Tue May  6 18:28:37 1986
Date-Received: Thu, 8-May-86 08:33:57 EDT
References: <577@ur-helheim.UUCP> <140@toram.UUCP> <185@brl-sem.ARPA>
Organization: NIH-LEC, Bethesda, MD
Lines: 12
Summary: Antiquity

> . . .All the PCC impementations I've checked don't test the ["1" in a
> "while (1)"] even when you don't turn the optimizer on.  Our old PDP-11
> Ritchie compiler does generate the test, but the standard -O optimizer
> removes it. . .

If I recall my ancient history aright, the Version 6 C compiler generated the
constant test, and the Version 6 optimizer failed to remove it.
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