[Bug c++/47482] New: [C++0x] [4.6 Regression] ICE: unexpected expression ‘sizeof ("A")’ of kind sizeof_expr

[Bug c++/47482] New: [C++0x] [4.6 Regression] ICE: unexpected expression ‘sizeof ("A")’ of kind sizeof_expr

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47482

           Summary: [C++0x] [4.6 Regression] ICE: unexpected expression
                    ‘sizeof ("A")’ of kind sizeof_expr
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: redi@gcc.gnu.org


template<class>
struct K
{
   enum { A = sizeof"A" , B = +A };
};

ice.cc:4:32: internal compiler error: unexpected expression ‘sizeof ("A")’ of
kind sizeof_expr
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.


works with 4.4 & 4.5, or without -std=c++0x

[Bug c++/47482] [C++0x] [4.6 Regression] ICE: unexpected expression ‘sizeof ("A")’ of kind sizeof_expr

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47482

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-01-26 22:41:50 UTC ---
the ICE goes away if K is not a template or if B is initialized with simply A,
rather than an expression involving A

[Bug c++/47482] [4.6 Regression] [C++0x] ICE: unexpected expression ‘sizeof ("A")’ of kind sizeof_expr

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47482

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2011.01.27 03:32:25
                 CC|                            |jason at redhat dot com
   Target Milestone|---                         |4.6.0
     Ever Confirmed|0                           |1

--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2011-01-27 03:32:25 UTC ---
It is caused by revision 166167:

http://gcc.gnu.org/ml/gcc-cvs/2010-11/msg00053.html

[Bug c++/47482] [4.6 Regression] [C++0x] ICE: unexpected expression ‘sizeof ("A")’ of kind sizeof_expr

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47482

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P1

[Bug c++/47482] [4.6 Regression] [C++0x] ICE: unexpected expression ‘sizeof ("A")’ of kind sizeof_expr

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47482

Jason Merrill <jason at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
                 CC|                            |jason at gcc dot gnu.org

--- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> 2011-02-11 19:44:46 UTC ---
Got it.

[Bug c++/47482] [4.6 Regression] [C++0x] ICE: unexpected expression ‘sizeof ("A")’ of kind sizeof_expr

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47482

--- Comment #4 from Jason Merrill <jason at gcc dot gnu.org> 2011-02-14 21:52:28 UTC ---
Author: jason
Date: Mon Feb 14 21:52:24 2011
New Revision: 170156

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=170156
Log:
    PR c++/47482
    * parser.c (cp_parser_enumerator_definition): Call
    fold_non_dependent_expr.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/regress/enum1.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/parser.c
    trunk/gcc/testsuite/ChangeLog

[Bug c++/47482] [4.6 Regression] [C++0x] ICE: unexpected expression ‘sizeof ("A")’ of kind sizeof_expr

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47482

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
                 CC|                            |jakub at gcc dot gnu.org
         Resolution|                            |FIXED
         AssignedTo|unassigned at gcc dot       |jason at gcc dot gnu.org
                   |gnu.org                     |

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-02-14 22:08:39 UTC ---
Fixed.