Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!cica!ctrsol!uakari!indri!aplcen!haven!vrdxhq!bms-at!stuart
From: stuart@bms-at.UUCP (Stuart Gathman)
Newsgroups: comp.lang.c
Subject: Re: Short code to determine compiler's
Summary: Doesn't work either
Message-ID: <171@bms-at.UUCP>
Date: 18 Jul 89 21:15:23 GMT
References: <396@uop.uop.EDU> <225800197@uxe.cso.uiuc.edu> <579@targon.UUCP>
Organization: Business Management Systems, Inc., Fairfax, VA
Lines: 18

In article <579@targon.UUCP>, andre@targon.UUCP (andre) writes:

> 	register n1, n2, n3, n4, n5, n6, n7, n8; /* etc. */
> 	int *a;

> 	a = &n8;
> 	a = &n7;

> 	/* repeat n6 - n2 */
> 	a = &n1;

Taking the address of a register variable is not allowed even when it
is not actually in a register.  (When not in a register, banning addressof
guarrantees no aliases for that variable.  Anyone for rekindling the "noalias"
debate :-)
-- 
Stuart D. Gathman	<stuart@bms-at.uucp>
			<..!{vrdxhq|daitc}!bms-at!stuart>