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* [Bug c++/13445] New: Template argument replacement "dereferences" a typedef
@ 2003-12-19 15:34 brad dot king at kitware dot com
2003-12-19 15:59 ` [Bug c++/13445] [3.3 Regression] " pinskia at gcc dot gnu dot org
` (7 more replies)
0 siblings, 8 replies; 9+ messages in thread
From: brad dot king at kitware dot com @ 2003-12-19 15:34 UTC (permalink / raw)
To: gcc-bugs
Every version of gcc 3.3.2 I've tested has the bug. I built a copy by
downloading sources from ftp.gnu.org to be sure no distribution-specific patches
were to blame:
../gcc-3.3.2/configure \
--prefix=/home/kingb/Temp/gcc-3.3.2-install \
--enable-languages=c,c++
make bootstrap
make install
"g++ --version" reports "g++ (GCC) 3.3.2"
The following code reproduces the problem. It is expected to compile without error:
template <class T> class NestedBase {};
template <class T> class Base { protected: typedef int Protected; };
template <class T> struct Derived: public Base<T>
{
typedef typename Base<T>::Protected Public;
class Nested: public NestedBase<Public> {};
};
template class Derived<int>::Nested;
Compiling the source with "./g++ -c bug.cxx" produces this error:
bug.cxx: In instantiation of `Derived<int>::Nested':
bug.cxx:8: instantiated from here
bug.cxx:2: error: `typedef int Base<int>::Protected' is protected
bug.cxx:8: error: within this context
We see that the "Public" typedef is "dereferenced" while instantiating the
template member class "Nested", which produces the access violation.
Compiling the same source with g++ 3.2.3 or any earlier GCC version produces no
error.
--
Summary: Template argument replacement "dereferences" a typedef
Product: gcc
Version: 3.3.2
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: brad dot king at kitware dot com
CC: gcc-bugs at gcc dot gnu dot org
GCC build triplet: i686-pc-linux-gnu
GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13445
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/13445] [3.3 Regression] Template argument replacement "dereferences" a typedef
2003-12-19 15:34 [Bug c++/13445] New: Template argument replacement "dereferences" a typedef brad dot king at kitware dot com
@ 2003-12-19 15:59 ` pinskia at gcc dot gnu dot org
2003-12-19 17:05 ` bangerth at dealii dot org
` (6 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2003-12-19 15:59 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2003-12-19 15:39 -------
Broken: Search converges between 2002-07-14-trunk (#81) and 2002-07-21-trunk (#82).
Fixed on the mainline: Search converges between 2003-08-17-trunk (#375) and 2003-08-18-
trunk (#376).
Confirmed.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed| |1
Keywords| |rejects-valid
Last reconfirmed|0000-00-00 00:00:00 |2003-12-19 15:39:19
date| |
Summary|Template argument |[3.3 Regression] Template
|replacement "dereferences" a|argument replacement
|typedef |"dereferences" a typedef
Target Milestone|--- |3.3.3
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13445
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/13445] [3.3 Regression] Template argument replacement "dereferences" a typedef
2003-12-19 15:34 [Bug c++/13445] New: Template argument replacement "dereferences" a typedef brad dot king at kitware dot com
2003-12-19 15:59 ` [Bug c++/13445] [3.3 Regression] " pinskia at gcc dot gnu dot org
@ 2003-12-19 17:05 ` bangerth at dealii dot org
2003-12-19 17:20 ` bangerth at dealii dot org
` (5 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: bangerth at dealii dot org @ 2003-12-19 17:05 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From bangerth at dealii dot org 2003-12-19 16:41 -------
Yup, this is bogus. It works on mainline, though. Kriang, you are the
friendship expert, any chance to get this fixed on the branch? It is a
regression with respect to 3.2.x.
W.
--
What |Removed |Added
----------------------------------------------------------------------------
CC| |lerdsuwa at gcc dot gnu dot
| |org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13445
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/13445] [3.3 Regression] Template argument replacement "dereferences" a typedef
2003-12-19 15:34 [Bug c++/13445] New: Template argument replacement "dereferences" a typedef brad dot king at kitware dot com
2003-12-19 15:59 ` [Bug c++/13445] [3.3 Regression] " pinskia at gcc dot gnu dot org
2003-12-19 17:05 ` bangerth at dealii dot org
@ 2003-12-19 17:20 ` bangerth at dealii dot org
2003-12-19 20:23 ` brad dot king at kitware dot com
` (4 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: bangerth at dealii dot org @ 2003-12-19 17:20 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From bangerth at dealii dot org 2003-12-19 16:41 -------
Sorry, this has nothing to do with friendship, of course, and all
with access control.
W.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13445
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/13445] [3.3 Regression] Template argument replacement "dereferences" a typedef
2003-12-19 15:34 [Bug c++/13445] New: Template argument replacement "dereferences" a typedef brad dot king at kitware dot com
` (2 preceding siblings ...)
2003-12-19 17:20 ` bangerth at dealii dot org
@ 2003-12-19 20:23 ` brad dot king at kitware dot com
2003-12-19 20:25 ` pinskia at gcc dot gnu dot org
` (3 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: brad dot king at kitware dot com @ 2003-12-19 20:23 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From brad dot king at kitware dot com 2003-12-19 19:45 -------
I've discovered that applying this patch manually fixes the bug:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/pt.c.diff?r1=1.758&r2=1.759
I am unable to confirm whether it introduces any other bugs when included in the
3.3 branch.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13445
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/13445] [3.3 Regression] Template argument replacement "dereferences" a typedef
2003-12-19 15:34 [Bug c++/13445] New: Template argument replacement "dereferences" a typedef brad dot king at kitware dot com
` (3 preceding siblings ...)
2003-12-19 20:23 ` brad dot king at kitware dot com
@ 2003-12-19 20:25 ` pinskia at gcc dot gnu dot org
2003-12-29 18:49 ` pinskia at gcc dot gnu dot org
` (2 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2003-12-19 20:25 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2003-12-19 19:51 -------
It does look like that is the patch fixes it.
Nathan could you backport this patch for 3.3.3:
cp:
* pt.c (instantiate_class_template): Push to class's scope before
tsubsting base.
testsuite:
* g++.dg/template/scope2.C: New test.
* g++.dg/template/error2.C: Correct dg-error
--
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |nathan at gcc dot gnu dot
|dot org |org
Status|NEW |ASSIGNED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13445
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/13445] [3.3 Regression] Template argument replacement "dereferences" a typedef
2003-12-19 15:34 [Bug c++/13445] New: Template argument replacement "dereferences" a typedef brad dot king at kitware dot com
` (4 preceding siblings ...)
2003-12-19 20:25 ` pinskia at gcc dot gnu dot org
@ 2003-12-29 18:49 ` pinskia at gcc dot gnu dot org
2003-12-30 10:07 ` cvs-commit at gcc dot gnu dot org
2003-12-30 10:42 ` nathan at gcc dot gnu dot org
7 siblings, 0 replies; 9+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2003-12-29 18:49 UTC (permalink / raw)
To: gcc-bugs
--
What |Removed |Added
----------------------------------------------------------------------------
Severity|normal |critical
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13445
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/13445] [3.3 Regression] Template argument replacement "dereferences" a typedef
2003-12-19 15:34 [Bug c++/13445] New: Template argument replacement "dereferences" a typedef brad dot king at kitware dot com
` (5 preceding siblings ...)
2003-12-29 18:49 ` pinskia at gcc dot gnu dot org
@ 2003-12-30 10:07 ` cvs-commit at gcc dot gnu dot org
2003-12-30 10:42 ` nathan at gcc dot gnu dot org
7 siblings, 0 replies; 9+ messages in thread
From: cvs-commit at gcc dot gnu dot org @ 2003-12-30 10:07 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2003-12-30 09:47 -------
Subject: Bug 13445
CVSROOT: /cvs/gcc
Module name: gcc
Branch: gcc-3_3-branch
Changes by: nathan@gcc.gnu.org 2003-12-30 09:47:32
Modified files:
gcc/cp : ChangeLog pt.c
gcc/testsuite : ChangeLog
Added files:
gcc/testsuite/g++.dg/template: scope2.C
Log message:
cp:
PR c++/13445
* pt.c (instantiate_class_template): Push to class's scope before
tsubsting base.
testsuite:
PR c++/13445
* g++.dg/template/scope2.C: New test.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_3-branch&r1=1.3076.2.231&r2=1.3076.2.232
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/pt.c.diff?cvsroot=gcc&only_with_tag=gcc-3_3-branch&r1=1.635.2.39&r2=1.635.2.40
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_3-branch&r1=1.2261.2.347&r2=1.2261.2.348
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/template/scope2.C.diff?cvsroot=gcc&only_with_tag=gcc-3_3-branch&r1=NONE&r2=1.1.24.1
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13445
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/13445] [3.3 Regression] Template argument replacement "dereferences" a typedef
2003-12-19 15:34 [Bug c++/13445] New: Template argument replacement "dereferences" a typedef brad dot king at kitware dot com
` (6 preceding siblings ...)
2003-12-30 10:07 ` cvs-commit at gcc dot gnu dot org
@ 2003-12-30 10:42 ` nathan at gcc dot gnu dot org
7 siblings, 0 replies; 9+ messages in thread
From: nathan at gcc dot gnu dot org @ 2003-12-30 10:42 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From nathan at gcc dot gnu dot org 2003-12-30 09:49 -------
2003-12-30 Nathan Sidwell <nathan@codesourcery.com>
PR c++/13445
* pt.c (instantiate_class_template): Push to class's scope before
tsubsting base.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13445
^ permalink raw reply [flat|nested] 9+ messages in thread
end of thread, other threads:[~2003-12-30 9:49 UTC | newest]
Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed)
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2003-12-19 15:34 [Bug c++/13445] New: Template argument replacement "dereferences" a typedef brad dot king at kitware dot com
2003-12-19 15:59 ` [Bug c++/13445] [3.3 Regression] " pinskia at gcc dot gnu dot org
2003-12-19 17:05 ` bangerth at dealii dot org
2003-12-19 17:20 ` bangerth at dealii dot org
2003-12-19 20:23 ` brad dot king at kitware dot com
2003-12-19 20:25 ` pinskia at gcc dot gnu dot org
2003-12-29 18:49 ` pinskia at gcc dot gnu dot org
2003-12-30 10:07 ` cvs-commit at gcc dot gnu dot org
2003-12-30 10:42 ` nathan at gcc dot gnu dot org
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