[Bug c++/20133] New: internal compiler error: in import_export_decl, at cp/decl2.c:1726

[Bug c++/20133] New: internal compiler error: in import_export_decl, at cp/decl2.c:1726

[jean-marc dot valin at usherbrooke dot ca]

I'm getting this ICE with the gcc-4.0-20050213 snapshot. This is a
Debian (unstable) machine with a 2.6.10 kernel running on a Pentium M.

% g++ -c net_types.cpp
net_types.cc:179: internal compiler error: in import_export_decl, at
cp/decl2.c:1726
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.

-- 
           Summary: internal compiler error: in import_export_decl, at
                    cp/decl2.c:1726
           Product: gcc
           Version: 4.0.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P1
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: jean-marc dot valin at usherbrooke dot ca
                CC: gcc-bugs at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20133

[Bug c++/20133] internal compiler error: in import_export_decl, at cp/decl2.c:1726

[jean-marc dot valin at usherbrooke dot ca]

------- Additional Comments From jean-marc dot valin at usherbrooke dot ca  2005-02-22 00:10 -------
Created an attachment (id=8248)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=8248&action=view)
Preprocessed source

This is the preprocessed source for reproducing the ICE

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20133

[Bug c++/20133] [4.0 Regression] internal compiler error: in import_export_decl, at cp/decl2.c:1726

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-02-22 00:30 -------
Confirmed reduced to:
template <class T>
class ObjectPool {
   static int mutex;
};
template<class> int ObjectPool<char>::mutex;

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|                            |1
           Keywords|                            |ice-on-valid-code
   Last reconfirmed|0000-00-00 00:00:00         |2005-02-22 00:30:53
               date|                            |
            Summary|internal compiler error: in |[4.0 Regression] internal
                   |import_export_decl, at      |compiler error: in
                   |cp/decl2.c:1726             |import_export_decl, at
                   |                            |cp/decl2.c:1726
   Target Milestone|---                         |4.0.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20133

[Bug c++/20133] [4.0 Regression] internal compiler error: in import_export_decl, at cp/decl2.c:1726

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-02-22 00:32 -------
This code is invalid, the correct way is to deal these static variables is like:
template <class T>
class ObjectPool {
   static int mutex;
};
template<> int ObjectPool<char>::mutex;

which does not ICE.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|ice-on-valid-code           |ice-on-invalid-code


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20133

[Bug c++/20133] [4.0 Regression] internal compiler error: in import_export_decl, at cp/decl2.c:1726

[jean-marc dot valin at usherbrooke dot ca]

------- Additional Comments From jean-marc dot valin at usherbrooke dot ca  2005-02-22 07:17 -------
I changed the code, but I'm now getting unresolved symbols at link:
batchflow.o(.gnu.linkonce.t._ZN12batchflowApp10initializeEiPPc+0x5a): In
function `batchflowApp::initialize(int, char**)':
: undefined reference to `ObjectPool<NetCType<int> >::stack'

and so on for all the lines I changed.

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20133

[Bug c++/20133] [4.0 Regression] internal compiler error: in import_export_decl, at cp/decl2.c:1726

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-02-22 23:55 -------
: Search converges between 2004-07-29-trunk (#498) and 2004-07-30-trunk (#499).

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20133

[Bug c++/20133] [4.0/4.1 Regression] internal compiler error: in import_export_decl, at cp/decl2.c:1726

[nathan at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |nathan at gcc dot gnu dot
                   |dot org                     |org
             Status|NEW                         |ASSIGNED
   Last reconfirmed|2005-02-22 00:30:53         |2005-03-23 16:23:41
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20133

[Bug c++/20133] [4.0/4.1 Regression] internal compiler error: in import_export_decl, at cp/decl2.c:1726

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-04-12 23:16 -------
*** Bug 20981 has been marked as a duplicate of this bug. ***

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |pinskia at gcc dot gnu dot
                   |                            |org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20133

[Bug c++/20133] [4.0/4.1 Regression] internal compiler error: in import_export_decl, at cp/decl2.c:1726

[mmitchel at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|4.0.0                       |4.0.1


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20133

[Bug c++/20133] [4.0/4.1 Regression] internal compiler error: in import_export_decl, at cp/decl2.c:1726

[mmitchel at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|4.0.1                       |4.0.2


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20133

[Bug c++/20133] [4.0/4.1 Regression] internal compiler error: in import_export_decl, at cp/decl2.c:1726

[reichelt at gcc dot gnu dot org]

------- Additional Comments From reichelt at gcc dot gnu dot org  2005-07-11 16:15 -------
It doesn't link because of [templ.expl.spec]:

   An  explicit specialization of a static data member of a template is a
   definition if the declaration includes an initializer;  otherwise,  it
   is  a  declaration.  [Note: there is no syntax for the definition of a
   static data member of a template that requires default initialization.
   template<> X Q<int>::x;
   This  is a declaration regardless of whether X can be default initial-
   ized (_dcl.init_).  ]

You must provide the initializer, e.g.

template<> int ObjectPool<char>::mutex = 0;



-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |reichelt at gcc dot gnu dot
                   |                            |org
           Keywords|                            |monitored


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20133

[Bug c++/20133] [4.0/4.1 Regression] internal compiler error: in import_export_decl, at cp/decl2.c:1726

[mmitchel at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|4.0.2                       |4.0.3


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20133