[Bug c++/46369] New: [4.6 Regression] ICE: unexpected expression '((unsigned char*)&*r)[24]' of kind bit_field_ref

[Bug c++/46369] New: [4.6 Regression] ICE: unexpected expression '((unsigned char*)&*r)[24]' of kind bit_field_ref

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46369

           Summary: [4.6 Regression] ICE: unexpected expression
                    '((unsigned char*)&*r)[24]' of kind bit_field_ref
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: rguenth@gcc.gnu.org
            Target: i?86-*-linux


Created attachment 22325
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22325
preprocessed source

The package yast2-hardware-detection-2.17.1 fails with

> ./cc1plus  -quiet ~/HwParse.ii -m32 -std=c++0x
HwParse.cc: In member function 'YCPMap HwProbe::resource_type2map(const
res_any_t*, const char**)':
HwParse.cc:219:71: internal compiler error: unexpected expression '((unsigned
char*)&*r)[24]' of kind bit_field_ref
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

[Bug c++/46369] [4.6 Regression] ICE: unexpected expression '((unsigned char*)&*r)[24]' of kind bit_field_ref

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46369

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |4.6.0

[Bug c++/46369] [4.6 Regression] ICE: unexpected expression '((unsigned char*)&*r)[24]' of kind bit_field_ref

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46369

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2010.11.08 19:12:04
                 CC|                            |jason at redhat dot com
     Ever Confirmed|0                           |1

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2010-11-08 19:12:04 UTC ---
It is introduced by revision 166167:

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

[Bug c++/46369] [4.6 Regression] ICE: unexpected expression '((unsigned char*)&*r)[24]' of kind bit_field_ref

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46369

--- Comment #2 from Jason Merrill <jason at gcc dot gnu.org> 2010-11-11 00:06:38 UTC ---
Author: jason
Date: Thu Nov 11 00:06:34 2010
New Revision: 166576

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=166576
Log:
    PR c++/46369
    * semantics.c (cxx_eval_bit_field_ref): New.
    (cxx_eval_constant_expression): Call it.

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

[Bug c++/46369] [4.6 Regression] ICE: unexpected expression '((unsigned char*)&*r)[24]' of kind bit_field_ref

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46369

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |jason at gcc dot gnu.org
         Resolution|                            |FIXED

--- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> 2010-11-11 03:22:34 UTC ---
Fixed.