[Bug c++/27493] New: [4.2 regression] ICE on invalid template parameter

[Bug c++/27493] New: [4.2 regression] ICE on invalid template parameter

[reichelt at gcc dot gnu dot org]

The following invalid code snippet causes an ICE on mainline:

===================================
template<operator T> void foo()
{
  struct A {};
}
===================================

bug.cc:1: error: expected identifier before 'operator'
bug.cc:1: error: expected `>' before 'operator'
bug.cc: In function 'void foo()':
bug.cc:3: internal compiler error: tree check: accessed elt 1 of tree_vec with
0 elts in any_dependent_template_arguments_p, at cp/pt.c:12762
Please submit a full bug report, [etc.]


-- 
           Summary: [4.2 regression] ICE on invalid template parameter
           Product: gcc
           Version: 4.2.0
            Status: UNCONFIRMED
          Keywords: ice-on-invalid-code, error-recovery, monitored
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: reichelt at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27493

[Bug c++/27493] [4.2 regression] ICE on invalid template parameter

[pinskia at gcc dot gnu dot org]

-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|normal                      |minor
   Target Milestone|---                         |4.2.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27493

[Bug c++/27493] [4.2 regression] ICE on invalid template parameter

[pinskia at gcc dot gnu dot org]

------- Comment #1 from pinskia at gcc dot gnu dot org  2006-05-09 16:36 -------
Confirmed.


-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2006-05-09 16:36:55
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27493

[Bug c++/27493] [4.2 regression] ICE on invalid template parameter

[mmitchel at gcc dot gnu dot org]

-- 

mmitchel at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P2


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27493

[Bug c++/27493] [4.2 regression] ICE on invalid template parameter

[mmitchel at gcc dot gnu dot org]

-- 

mmitchel at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P2                          |P4


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27493

[Bug c++/27493] [4.2 regression] ICE on invalid template parameter

[janis at gcc dot gnu dot org]

------- Comment #2 from janis at gcc dot gnu dot org  2006-08-12 21:26 -------
A regression hunt on powerpc-linux identified the following patch:

    http://gcc.gnu.org/viewcvs?view=rev&rev=113081

    r113081 | mmitchel | 2006-04-19 16:58:23 +0000 (Wed, 19 Apr 2006)


-- 

janis at gcc dot gnu dot org changed:

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27493

[Bug c++/27493] [4.2 regression] ICE on invalid template parameter

[lmillward at gcc dot gnu dot org]

-- 

lmillward at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |lmillward at gcc dot gnu dot
                   |dot org                     |org
             Status|NEW                         |ASSIGNED
   Last reconfirmed|2006-05-09 16:36:55         |2006-08-30 20:51:09
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27493

[Bug c++/27493] [4.2 regression] ICE on invalid template parameter

[lmillward at gcc dot gnu dot org]

------- Comment #3 from lmillward at gcc dot gnu dot org  2006-09-02 14:15 -------
Subject: Bug 27493

Author: lmillward
Date: Sat Sep  2 14:15:37 2006
New Revision: 116661

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=116661
Log:
2006-09-02  Lee Millward  <lee.millward@codesourcery.com>

        PR c++/27670
        PR c++/27493
        PR c++/27494
        PR c++/27397
        * parser.c (cp_parser_template_parameter_list): Add
        invalid template parameters to the parameter list as
        error_mark_node.

        * g++.dg/template/operator9.C: New test.
        * g++.dg/template/operator7.C: New test.
        * g++.dg/template/operator8.C: New test.
        * g++.dg/template/crash57.C: New test.

        * g++.dg/template/typedef4.C: Adjust error markers.
        * g++.dg/template/typedef5.C: Likewise.


Added:
    trunk/gcc/testsuite/g++.dg/template/crash57.C
    trunk/gcc/testsuite/g++.dg/template/operator7.C
    trunk/gcc/testsuite/g++.dg/template/operator8.C
    trunk/gcc/testsuite/g++.dg/template/operator9.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/parser.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/g++.dg/template/typedef4.C
    trunk/gcc/testsuite/g++.dg/template/typedef5.C


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27493

[Bug c++/27493] [4.2 regression] ICE on invalid template parameter

[lmillward at gcc dot gnu dot org]

------- Comment #4 from lmillward at gcc dot gnu dot org  2006-09-02 14:16 -------
Fixed in 4.2.


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lmillward at gcc dot gnu dot org changed:

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27493