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* Re: c++/1611
@ 2001-04-01 0:00 nathan
0 siblings, 0 replies; 3+ messages in thread
From: nathan @ 2001-04-01 0:00 UTC (permalink / raw)
To: nathan; +Cc: gcc-prs
The following reply was made to PR c++/1611; it has been noted by GNATS.
From: nathan@gcc.gnu.org
To: gcc-gnats@gcc.gnu.org, nathan@gcc.gnu.org, snyder@fnal.gov
Cc:
Subject: Re: c++/1611
Date: 18 Jan 2001 09:49:42 -0000
Synopsis: c++ new-abi generates bad code with virtual derivation
State-Changed-From-To: analyzed->closed
State-Changed-By: nathan
State-Changed-When: Thu Jan 18 01:49:42 2001
State-Changed-Why:
2001-01-18 Nathan Sidwell <nathan@codesourcery.com>
* decl.c (finish_destructor_body): Convert to vbase pointer here.
2001-01-18 Nathan Sidwell <nathan@codesourcery.com>
* g++.old-deja/g++.abi/vbase1.C: New test.
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view&pr=1611&database=gcc
>From richarda@ixla.com.au Sun Apr 01 00:00:00 2001
From: richarda@ixla.com.au
To: gcc-gnats@gcc.gnu.org
Subject: c++/1959: template copy constructor requires const
Date: Sun, 01 Apr 2001 00:00:00 -0000
Message-id: <20010213070905.16960.qmail@sourceware.cygnus.com>
X-SW-Source: 2001-q1/msg01194.html
Content-length: 14966
>Number: 1959
>Category: c++
>Synopsis: template copy constructor requires const
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: rejects-legal
>Submitter-Id: net
>Arrival-Date: Mon Feb 12 23:16:00 PST 2001
>Closed-Date:
>Last-Modified:
>Originator: Richard Andrews, Ixla Ltd.
>Release: CVS-2001015 (code sourcery)
>Organization:
>Environment:
RH 6.2 (i386-pc-linux-gnu)
>Description:
Templated copy constructors are not resolved unless the
construction parameter is a const.
Eg.
Thing::Thing( Thing<T> & rhs ); // fails
Thing::Thing( const Thing<T> & rhs ); // OK
>How-To-Repeat:
Compile main.cpp in attached tar file
>Fix:
Work-around exists.
Within the copy constructor a const_cast<>() can be used to
change the reference to non-const and copy can proceed.
>Release-Note:
>Audit-Trail:
>Unformatted:
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: c++/1611
@ 2001-04-01 0:00 nathan
0 siblings, 0 replies; 3+ messages in thread
From: nathan @ 2001-04-01 0:00 UTC (permalink / raw)
To: nobody; +Cc: gcc-prs
The following reply was made to PR c++/1611; it has been noted by GNATS.
From: nathan@gcc.gnu.org
To: gcc-gnats@gcc.gnu.org, nobody@gcc.gnu.org, snyder@fnal.gov
Cc:
Subject: Re: c++/1611
Date: 11 Jan 2001 09:35:47 -0000
Synopsis: c++ new-abi generates bad code with virtual derivation
State-Changed-From-To: open->analyzed
State-Changed-By: nathan
State-Changed-When: Thu Jan 11 01:35:47 2001
State-Changed-Why:
Oh poo, I see through your cunning attempt to disguise the
933 test case by renaming the classes! Ho hum.
marked high priority
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view&pr=1611&database=gcc
>From wolfgang.bangerth@iwr.uni-heidelberg.de Sun Apr 01 00:00:00 2001
From: Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
To: nobody@gcc.gnu.org
Cc: gcc-prs@gcc.gnu.org
Subject: Re: c++/2138: trouble with STL's distance function
Date: Sun, 01 Apr 2001 00:00:00 -0000
Message-id: <20010301140601.19834.qmail@sourceware.cygnus.com>
X-SW-Source: 2001-q1/msg01843.html
Content-length: 2013
The following reply was made to PR c++/2138; it has been noted by GNATS.
From: Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
To: gcc-bugs@gcc.gnu.org, gcc-patches@gcc.gnu.org, gcc-gnats@gcc.gnu.org,
reichelt@igpm.rwth-aachen.de
Cc:
Subject: Re: c++/2138: trouble with STL's distance function
Date: Thu, 1 Mar 2001 14:57:08 +0100 (MET)
Hi there,
based on the analysis of Volker, I guess that indeed the concepts checks
are wrong: the standard requires that forward operators only have an index
operator with semantics
a[n] <-> *(a+n)
I cannot see that it must actually be assignable. (This is all [24.1.5].)
If that were so, then the appended patch would be correct, and it indeed
fixes his bug. (Unfortunately, it still doesn't fix c++/1657, which I
hoped it would, but that seems more like a memory corruption bug. sigh :])
Regards
Wolfgang
-------------------------------------------------------------------------
Wolfgang Bangerth email: wolfgang.bangerth@iwr.uni-heidelberg.de
www: http://gaia.iwr.uni-heidelberg.de/~wolf
Index: concept_checks.h
===================================================================
RCS file: /cvs/gcc/gcc/libstdc++-v3/include/bits/concept_checks.h,v
retrieving revision 1.1
diff -c -r1.1 concept_checks.h
*** concept_checks.h 2000/10/05 11:27:01 1.1
--- concept_checks.h 2001/03/01 13:54:00
***************
*** 473,479 ****
return __n;
}
template <class _Exp, class _Type, class _Distance>
! static _Type
__element_access_operator_requirement_violation(_Exp __x, _Type*,
_Distance __n) {
return __x[__n];
--- 473,479 ----
return __n;
}
template <class _Exp, class _Type, class _Distance>
! static _Type &
__element_access_operator_requirement_violation(_Exp __x, _Type*,
_Distance __n) {
return __x[__n];
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: c++/1611
@ 2001-04-01 0:00 nathan
0 siblings, 0 replies; 3+ messages in thread
From: nathan @ 2001-04-01 0:00 UTC (permalink / raw)
To: nathan; +Cc: gcc-prs
The following reply was made to PR c++/1611; it has been noted by GNATS.
From: nathan@gcc.gnu.org
To: gcc-gnats@gcc.gnu.org, nathan@gcc.gnu.org, nobody@gcc.gnu.org,
snyder@fnal.gov
Cc:
Subject: Re: c++/1611
Date: 16 Jan 2001 09:38:09 -0000
Synopsis: c++ new-abi generates bad code with virtual derivation
Responsible-Changed-From-To: unassigned->nathan
Responsible-Changed-By: nathan
Responsible-Changed-When: Tue Jan 16 01:38:09 2001
Responsible-Changed-Why:
patch in progress
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view&pr=1611&database=gcc
>From bkoz@redhat.com Sun Apr 01 00:00:00 2001
From: Benjamin Kosnik <bkoz@redhat.com>
To: nobody@gcc.gnu.org
Cc: gcc-prs@gcc.gnu.org
Subject: Re: c++/2189: g++ rejects legal code
Date: Sun, 01 Apr 2001 00:00:00 -0000
Message-id: <20010306015600.9588.qmail@sourceware.cygnus.com>
X-SW-Source: 2001-q1/msg02035.html
Content-length: 496
The following reply was made to PR c++/2189; it has been noted by GNATS.
From: Benjamin Kosnik <bkoz@redhat.com>
To: gcc-bugs@gcc.gnu.org, mayer@tux.org, gcc-gnats@gcc.gnu.org
Cc:
Subject: Re: c++/2189: g++ rejects legal code
Date: Mon, 5 Mar 2001 17:50:18 -0800
For maximum clarity, default arguments always go with the
declaration, not the definition. See 8.3.6 Default arguments.
Sadly though, your code is actually legal, just a bit confusing to
read. This is a bug.
-benjamin
^ permalink raw reply [flat|nested] 3+ messages in thread
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