[Bug c++/51230] New: [4.7 Regression] Broken diagnostic: 'template_parm_index' not supported by dump_type

[Bug c++/51230] New: [4.7 Regression] Broken diagnostic: 'template_parm_index' not supported by dump_type

[reichelt at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51230

             Bug #: 51230
           Summary: [4.7 Regression] Broken diagnostic:
                    'template_parm_index' not supported by dump_type
    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


Trunk produces a broken error message for the following invalid code snippet:

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

template<int N> void foo(A<N>, A<N>);

void bar()
{
  foo(A<0>(), A<1>());
}
==========================================

bug.cc: In function 'void bar()':
bug.cc:7:21: error: no matching function for call to 'foo(A<0>, A<1>)'
bug.cc:7:21: note: candidate is:
bug.cc:3:22: note: template<int N> void foo(A<N>, A<N>)
bug.cc:3:22: note:   template argument deduction/substitution failed:
bug.cc:7:21: note:   deduced conflicting types for parameter
'#'template_parm_index' not supported by dump_type#<type error>'
('#'integer_cst' not supported by dump_type#<type error>' and '#'integer_cst'
not supported by dump_type#<type error>')

[Bug c++/51230] [4.7 Regression] Broken diagnostic: 'template_parm_index' not supported by dump_type

[reichelt at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51230

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |diagnostic
   Target Milestone|---                         |4.7.0

[Bug c++/51230] [4.7 Regression] Broken diagnostic: 'template_parm_index' not supported by dump_type

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51230

Paolo Carlini <paolo.carlini at oracle dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2011-11-19
         AssignedTo|unassigned at gcc dot       |paolo.carlini at oracle dot
                   |gnu.org                     |com
     Ever Confirmed|0                           |1

[Bug c++/51230] [4.7 Regression] Broken diagnostic: 'template_parm_index' not supported by dump_type

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51230

Paolo Carlini <paolo.carlini at oracle dot com> changed:

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

--- Comment #2 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-11-20 22:39:24 UTC ---
Fixed.

[Bug c++/51230] [4.7 Regression] Broken diagnostic: 'template_parm_index' not supported by dump_type

[paolo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51230

--- Comment #1 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> 2011-11-20 22:37:56 UTC ---
Author: paolo
Date: Sun Nov 20 22:37:54 2011
New Revision: 181538

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181538
Log:
/cp
2011-11-20  Paolo Carlini  <paolo.carlini@oracle.com>

    PR c++/51230
    * pt.c (unify_inconsistency): Handle non-type parameters better.
    * error.c (dump_expr): Handle TEMPLATE_TEMPLATE_PARM.

/cp
2011-11-20  Paolo Carlini  <paolo.carlini@oracle.com>

    PR c++/51230
    * g++.dg/template/error46.C: New.


Added:
    trunk/gcc/testsuite/g++.dg/template/error46.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/error.c
    trunk/gcc/cp/pt.c
    trunk/gcc/testsuite/ChangeLog