From owner-freebsd-bugs  Mon Aug 21 20:20: 4 2000
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Date: Mon, 21 Aug 2000 20:20:02 -0700 (PDT)
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From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
Subject: gnu/20767: gcc const produces invalid warning
Reply-To: Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
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The following reply was made to PR gnu/20767; it has been noted by GNATS.

From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
To: marka@nominum.com
Cc: FreeBSD-gnats-submit@FreeBSD.ORG
Subject: gnu/20767: gcc const produces invalid warning
Date: Mon, 21 Aug 2000 23:15:43 -0400 (EDT)

 <<On Tue, 22 Aug 2000 13:03:35 +1000 (EST), marka@nominum.com said:
 
 > 	gcc incorrectly reports 'incompatible pointer type' when function
 > 	is declared with 'const pointer to const pointer' arguement and is
 > 	just passed pointer to pointer.
 
 The code is in error, and the warning is in fact correct.  The type
 `const foo * const *' is not compatible with `foo **'.  Only the
 outermost qualifier participates in this form of promotion.
 
 -GAWollman
 
 


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