Re: c++/6392: Problems with __restrict__ type qualifier (array)

[Daniel Berlin <dberlin@dberlin.org>]

The following reply was made to PR c++/6392; it has been noted by GNATS.

From: Daniel Berlin <dberlin@dberlin.org>
To: Peter Schmid <schmid@snake.iap.physik.tu-darmstadt.de>
Cc: gcc-gnats@gcc.gnu.org, <nobody@gcc.gnu.org>,
	<gcc-prs@gcc.gnu.org>, <gcc-bugs@gcc.gnu.org>
Subject: Re: c++/6392: Problems with __restrict__ type qualifier (array)
Date: Sun, 21 Apr 2002 17:44:17 -0400 (EDT)

 It's a gcc flaw.
 I analyzed this and asked what the right approach to fixing it was.
 No response.
 See http://gcc.gnu.org/ml/gcc-patches/2002-04/msg00147.html
 
 On Sun, 
 21 Apr 2002, Peter Schmid wrote:
 
 > 
 > >Number:         6392
 > >Category:       c++
 > >Synopsis:       Problems with __restrict__ type qualifier (array)
 > >Confidential:   no
 > >Severity:       serious
 > >Priority:       medium
 > >Responsible:    unassigned
 > >State:          open
 > >Class:          rejects-legal
 > >Submitter-Id:   net
 > >Arrival-Date:   Sun Apr 21 06:16:00 PDT 2002
 > >Closed-Date:
 > >Last-Modified:
 > >Originator:     Peter Schmid
 > >Release:        3.1 20020418 (prerelease)
 > >Organization:
 > TU Darmstadt
 > >Environment:
 > System: Linux kiste 2.4.18 #8 Sat Mar 9 15:33:15 CET 2002 i686 unknown
 > Architecture: i686
 > host: i686-pc-linux-gnu
 > build: i686-pc-linux-gnu
 > target: i686-pc-linux-gnu
 > configured with: ../gcc/configure --enable-shared --disable-nls --enable-threads=posix --enable-languages=c,c++,f77,objc
 > >Description:
 > The following source code, extracted from FTensor, is rejected by gcc
 > 3.1. KCC supports this feature, an array of restricted pointers. Is
 > this a gcc flaw or a KCC extension?
 >   
 > >How-To-Repeat:
 > source code restrict.C
 > 
 > struct A
 > {
 >   int* __restrict__ data[10];
 > };
 > 
 > g++ -v -c restrict.C -W -Wall
 > Reading specs from /usr/local/lib/gcc-lib/i686-pc-linux-gnu/3.1/specs
 > Configured with: ../gcc/configure --enable-shared --disable-nls --enable-threads=posix --enable-languages=c,c++,f77,objc
 > Thread model: posix
 > gcc version 3.1 20020418 (prerelease)
 >  /usr/local/lib/gcc-lib/i686-pc-linux-gnu/3.1/cc1plus -v -D__GNUC__=3 -D__GNUC_MINOR__=1 -D__GNUC_PATCHLEVEL__=0 -D__ELF__ -Dunix -D__gnu_linux__ -Dlinux -D__ELF__ -D__unix__ -D__gnu_linux__ -D__linux__ -D__unix -D__linux -Asystem=posix -D__NO_INLINE__ -D__STDC_HOSTED__=1 -D_GNU_SOURCE -Acpu=i386 -Amachine=i386 -Di386 -D__i386 -D__i386__ -D__tune_i686__ -D__tune_pentiumpro__ restrict.C -D__GNUG__=3 -D__DEPRECATED -D__EXCEPTIONS -D__GXX_ABI_VERSION=100 -quiet -dumpbase restrict.C -W -Wall -version -o /tmp /ccjnyjd2.s
 > GNU CPP version 3.1 20020418 (prerelease) (cpplib) (i386 Linux/ELF)
 > GNU C++ version 3.1 20020418 (prerelease) (i686-pc-linux-gnu)
 > 	compiled by GNU C version 3.1 20020418 (prerelease).
 > ignoring nonexistent directory "NONE/include"
 > ignoring nonexistent directory "/usr/local/i686-pc-linux-gnu/include"
 > #include "..." search starts here:
 > #include <...> search starts here:
 >  /usr/local/include/g++-v3
 >  /usr/local/include/g++-v3/i686-pc-linux-gnu
 >  /usr/local/include/g++-v3/backward
 >  /usr/local/include
 >  /usr/local/lib/gcc-lib/i686-pc-linux-gnu/3.1/include
 >  /usr/include
 > End of search list.
 > restrict.C:3: `__restrict' qualifiers cannot be applied to `int*[10]'
 > restrict.C:3: invalid use of `restrict'
 > 
 > >Fix:
 > 	
 > >Release-Note:
 > >Audit-Trail:
 > >Unformatted:
 >