[Bug c++/47242] New: [C++0x] ICE: tree check: expected field_decl, have error_mark in build_lambda_object, at cp/semantics.c:7604 on invalid lambda function

[Bug c++/47242] New: [C++0x] ICE: tree check: expected field_decl, have error_mark in build_lambda_object, at cp/semantics.c:7604 on invalid lambda function

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47242

           Summary: [C++0x] ICE: tree check: expected field_decl, have
                    error_mark in build_lambda_object, at
                    cp/semantics.c:7604 on invalid lambda function
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: minor
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: zsojka@seznam.cz
              Host: x86_64-pc-linux-gnu
            Target: x86_64-pc-linux-gnu


Created attachment 22937
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22937
reduced testcase

Compiler output:
$ gcc -std=c++0x pr47242.C 
pr47242.C: In function 'void bar()':
pr47242.C:6:4: error: 'i' was not declared in this scope
pr47242.C: In function 'void bar() [with <template-parameter-1-1> = int]':
pr47242.C:12:12:   instantiated from here
pr47242.C:6:3: error: using invalid field 'bar()::<lambda()>::__i'
pr47242.C:6:3: internal compiler error: tree check: expected field_decl, have
error_mark in build_lambda_object, at cp/semantics.c:7604
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Tested revisions:
r168618 - crash
4.5 r168062 - crash

[Bug c++/47242] [C++0x] ICE: tree check: expected field_decl, have error_mark in build_lambda_object, at cp/semantics.c:7604 on invalid lambda function

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47242

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2011.01.11 15:42:30
         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> 2011-01-11 15:42:30 UTC ---
Seems easy.

[Bug c++/47242] [C++0x] ICE: tree check: expected field_decl, have error_mark in build_lambda_object, at cp/semantics.c:7604 on invalid lambda function

[paolo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47242

--- Comment #2 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> 2011-02-23 00:37:46 UTC ---
Author: paolo
Date: Wed Feb 23 00:37:43 2011
New Revision: 170423

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=170423
Log:
/cp
2011-02-22  Paolo Carlini  <paolo.carlini@oracle.com>

    PR c++/47242
    * semantics.c (build_lambda_object): Bail out if a field is
    error_mark_node.

/testsuite
2011-02-22  Paolo Carlini  <paolo.carlini@oracle.com>

    PR c++/47242
    * g++.dg/cpp0x/lambda/lambda-ice4.C: New.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-ice4.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/semantics.c
    trunk/gcc/testsuite/ChangeLog

[Bug c++/47242] [C++0x] ICE: tree check: expected field_decl, have error_mark in build_lambda_object, at cp/semantics.c:7604 on invalid lambda function

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47242

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED
   Target Milestone|---                         |4.6.0

--- Comment #3 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-02-23 00:38:52 UTC ---
Fixed.