[Bug c++/51476] New: [c++0x] [4.7 Regression] ICE with invalid pointer-to-member template parameter

[Bug c++/51476] New: [c++0x] [4.7 Regression] ICE with invalid pointer-to-member template parameter

[reichelt at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51476

             Bug #: 51476
           Summary: [c++0x] [4.7 Regression] ICE with invalid
                    pointer-to-member template parameter
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: reichelt@gcc.gnu.org


The following invalid code snippet triggers an ICE on trunk when compiled with
"-std=c++0x":

=============================
template<int> struct A {};

struct B
{
  int i;
  A<&B::i> a;
};
=============================

bug.cc:6:10: internal compiler error: Segmentation fault
Please submit a full bug report, [etc.]

[Bug c++/51476] [c++0x] [4.7 Regression] ICE with invalid pointer-to-member template parameter

[reichelt at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51476

Volker Reichelt <reichelt at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-invalid-code
   Target Milestone|---                         |4.7.0

[Bug c++/51476] [c++0x] [4.7 Regression] ICE with invalid pointer-to-member template parameter

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51476

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jakub at gcc dot gnu.org

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-12-13 09:07:31 UTC ---
Started with http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181219

[Bug c++/51476] [c++0x] [4.7 Regression] ICE with invalid pointer-to-member template parameter

[dodji at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51476

Dodji Seketeli <dodji at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2011-12-13
                 CC|                            |dodji at gcc dot gnu.org
         AssignedTo|unassigned at gcc dot       |dodji at gcc dot gnu.org
                   |gnu.org                     |
     Ever Confirmed|0                           |1

[Bug c++/51476] [c++0x] [4.7 Regression] ICE with invalid pointer-to-member template parameter

[dodji at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51476

--- Comment #2 from Dodji Seketeli <dodji at gcc dot gnu.org> 2011-12-13 15:51:52 UTC ---
A candidate patch was posted to
http://gcc.gnu.org/ml/gcc-patches/2011-12/msg00996.html

[Bug c++/51476] [c++0x] [4.7 Regression] ICE with invalid pointer-to-member template parameter

[dodji at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51476

Dodji Seketeli <dodji at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED

--- Comment #4 from Dodji Seketeli <dodji at gcc dot gnu.org> 2011-12-14 08:47:01 UTC ---
Fixed in trunk (4.7).

[Bug c++/51476] [c++0x] [4.7 Regression] ICE with invalid pointer-to-member template parameter

[dodji at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51476

--- Comment #3 from Dodji Seketeli <dodji at gcc dot gnu.org> 2011-12-14 08:46:27 UTC ---
Author: dodji
Date: Wed Dec 14 08:46:13 2011
New Revision: 182324

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=182324
Log:
PR c++/51476 - ICE on PTRMEM_CST as template argument in c++11

gcc/cp/

    PR c++/51476
    * pt.c (convert_nontype_argument): Don't call maybe_constant_value
    for PTRMEM_CST nodes.

gcc/testsuite/

    PR c++/51476
    * g++.dg/cpp0x/ptrmem-cst-arg1.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/ptrmem-cst-arg1.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/pt.c
    trunk/gcc/testsuite/ChangeLog