[Bug c++/51404] [c++0x] [4.7 Regression] ICE with invalid use of auto

[Bug c++/51404] [c++0x] [4.7 Regression] ICE with invalid use of auto

[reichelt at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51404

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

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

[Bug c++/51404] New: [c++0x] [4.7 Regression] ICE with invalid use of auto

[reichelt at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51404

             Bug #: 51404
           Summary: [c++0x] [4.7 Regression] ICE with invalid use of auto
    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:

===================
int i = auto().x;
===================

bug.cc:1:14: error: invalid use of 'auto'
bug.cc:1:15: internal compiler error: Segmentation fault
Please submit a full bug report, [etc.]

[Bug c++/51404] [c++0x] [4.7 Regression] ICE with invalid use of auto

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51404

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2011-12-04
         AssignedTo|unassigned at gcc dot       |paolo.carlini at oracle dot
                   |gnu.org                     |com
     Ever Confirmed|0                           |1

--- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-12-04 17:37:38 UTC ---
On it.

[Bug c++/51404] [c++0x] [4.7 Regression] ICE with invalid use of auto

[paolo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51404

--- Comment #2 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> 2011-12-05 15:46:34 UTC ---
Author: paolo
Date: Mon Dec  5 15:46:30 2011
New Revision: 182011

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=182011
Log:
/cp
2011-12-05  Paolo Carlini  <paolo.carlini@oracle.com>

    PR c++/51404
    * typeck2.c (build_functional_cast): Early return error_mark_node
    for invalid uses of 'auto'.
    * parser.c (cp_parser_direct_declarator): When
    cp_parser_constant_expression returns error do not produce further
    diagnostic for the bound.

/testsuite
2011-12-05  Paolo Carlini  <paolo.carlini@oracle.com>

    PR c++/51404
    * g++.dg/cpp0x/auto28.C: New.


Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/auto28.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/parser.c
    trunk/gcc/cp/typeck2.c
    trunk/gcc/testsuite/ChangeLog

[Bug c++/51404] [c++0x] [4.7 Regression] ICE with invalid use of auto

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51404

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

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

--- Comment #3 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-12-05 15:48:38 UTC ---
Fixed.